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Finding the Fourth Proportional to 508,983.93, 702,726.44 and 315,596.97

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Solution

The fourth proportional to 508,983.93, 702,726.44 and 315,596.97 is: 435,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,983.93 : 702,726.44 = 315,596.97 : x
  2. Step 2: Convert to fraction form
    508,983.93/702,726.44 = 315,596.97/x
  3. Step 3: Cross multiply
    508,983.93x = 702,726.44 × 315,596.97
  4. Step 4: Simplify right side
    508,983.93x = 221,778,333,624.90
  5. Step 5: Solve for x
    x = 221,778,333,624.90/508,983.93
  6. Step 6: Final answer
    x = 435,727.58

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