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Finding the Fourth Proportional to 502,358.79, 753,387.88 and 165,337.23

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Solution

The fourth proportional to 502,358.79, 753,387.88 and 165,337.23 is: 247,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,358.79 : 753,387.88 = 165,337.23 : x
  2. Step 2: Convert to fraction form
    502,358.79/753,387.88 = 165,337.23/x
  3. Step 3: Cross multiply
    502,358.79x = 753,387.88 × 165,337.23
  4. Step 4: Simplify right side
    502,358.79x = 124,563,063,517.97
  5. Step 5: Solve for x
    x = 124,563,063,517.97/502,358.79
  6. Step 6: Final answer
    x = 247,956.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.