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Finding the Fourth Proportional to 566,489.52, 781,755.57 and 311,838.75

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Solution

The fourth proportional to 566,489.52, 781,755.57 and 311,838.75 is: 430,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,489.52 : 781,755.57 = 311,838.75 : x
  2. Step 2: Convert to fraction form
    566,489.52/781,755.57 = 311,838.75/x
  3. Step 3: Cross multiply
    566,489.52x = 781,755.57 × 311,838.75
  4. Step 4: Simplify right side
    566,489.52x = 243,781,679,754.34
  5. Step 5: Solve for x
    x = 243,781,679,754.34/566,489.52
  6. Step 6: Final answer
    x = 430,337.49

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