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Finding the Fourth Proportional to 657,203.80, 983,618.70 and 476,776.30

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Solution

The fourth proportional to 657,203.80, 983,618.70 and 476,776.30 is: 713,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,203.80 : 983,618.70 = 476,776.30 : x
  2. Step 2: Convert to fraction form
    657,203.80/983,618.70 = 476,776.30/x
  3. Step 3: Cross multiply
    657,203.80x = 983,618.70 × 476,776.30
  4. Step 4: Simplify right side
    657,203.80x = 468,966,084,396.81
  5. Step 5: Solve for x
    x = 468,966,084,396.81/657,203.80
  6. Step 6: Final answer
    x = 713,577.86

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