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Finding the Fourth Proportional to 508,731.09, 702,051.60 and 317,855.17

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Solution

The fourth proportional to 508,731.09, 702,051.60 and 317,855.17 is: 438,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,731.09 : 702,051.60 = 317,855.17 : x
  2. Step 2: Convert to fraction form
    508,731.09/702,051.60 = 317,855.17/x
  3. Step 3: Cross multiply
    508,731.09x = 702,051.60 × 317,855.17
  4. Step 4: Simplify right side
    508,731.09x = 223,150,730,666.77
  5. Step 5: Solve for x
    x = 223,150,730,666.77/508,731.09
  6. Step 6: Final answer
    x = 438,641.82

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