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Finding the Fourth Proportional to 339,472.92, 508,434.30 and 162,104.88

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Solution

The fourth proportional to 339,472.92, 508,434.30 and 162,104.88 is: 242,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,472.92 : 508,434.30 = 162,104.88 : x
  2. Step 2: Convert to fraction form
    339,472.92/508,434.30 = 162,104.88/x
  3. Step 3: Cross multiply
    339,472.92x = 508,434.30 × 162,104.88
  4. Step 4: Simplify right side
    339,472.92x = 82,419,681,189.38
  5. Step 5: Solve for x
    x = 82,419,681,189.38/339,472.92
  6. Step 6: Final answer
    x = 242,787.20

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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.