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Finding the Fourth Proportional to 339,472.46, 508,432.98 and 162,103.70

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Solution

The fourth proportional to 339,472.46, 508,432.98 and 162,103.70 is: 242,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,472.46 : 508,432.98 = 162,103.70 : x
  2. Step 2: Convert to fraction form
    339,472.46/508,432.98 = 162,103.70/x
  3. Step 3: Cross multiply
    339,472.46x = 508,432.98 × 162,103.70
  4. Step 4: Simplify right side
    339,472.46x = 82,418,867,260.03
  5. Step 5: Solve for x
    x = 82,418,867,260.03/339,472.46
  6. Step 6: Final answer
    x = 242,785.14

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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.