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Finding the Fourth Proportional to 508,915.80, 762,207.30 and 497,251.80

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Solution

The fourth proportional to 508,915.80, 762,207.30 and 497,251.80 is: 744,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,915.80 : 762,207.30 = 497,251.80 : x
  2. Step 2: Convert to fraction form
    508,915.80/762,207.30 = 497,251.80/x
  3. Step 3: Cross multiply
    508,915.80x = 762,207.30 × 497,251.80
  4. Step 4: Simplify right side
    508,915.80x = 379,008,951,898.14
  5. Step 5: Solve for x
    x = 379,008,951,898.14/508,915.80
  6. Step 6: Final answer
    x = 744,738.03

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