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Finding the Fourth Proportional to 337.92, 506.84 and 155.26

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Solution

The fourth proportional to 337.92, 506.84 and 155.26 is: 232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.92 : 506.84 = 155.26 : x
  2. Step 2: Convert to fraction form
    337.92/506.84 = 155.26/x
  3. Step 3: Cross multiply
    337.92x = 506.84 × 155.26
  4. Step 4: Simplify right side
    337.92x = 78,691.98
  5. Step 5: Solve for x
    x = 78,691.98/337.92
  6. Step 6: Final answer
    x = 232.87

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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.