A loan of $ 1465 taken out on June 7 requires three payments. The first payment is due on July 7 . The second payment is twice as large as the first payment and is due on August 20 . The final payment, due on November 03 , is three times as large as the first payment. If the focal date is June 7 , what is the size of each of the three payments at an interest rate of 4.7 %?