By Howard Schneider and Ann Saphir WASHINGTON (Reuters) – The Federal Reserve raised its target interest rate by three-quarters of a percentage point to a range of 3.00%-3.25% on Wednesday and signaled more large increases to come in new projections showing its policy rate rising to 4.40% by the end of this year before topping out at 4.60% in 2023 to battle continued strong inflation. The U.S. central bank’s quarterly economic projections, meanwhile, showed the economy slowing to a crawl in 2022, with year-end growth at 0.2%, rising to 1.2% in 2023, well below the economy’s potential. The unem…