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Finding the Fourth Proportional to 337.96, 506.88 and 132.56

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Solution

The fourth proportional to 337.96, 506.88 and 132.56 is: 198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.96 : 506.88 = 132.56 : x
  2. Step 2: Convert to fraction form
    337.96/506.88 = 132.56/x
  3. Step 3: Cross multiply
    337.96x = 506.88 × 132.56
  4. Step 4: Simplify right side
    337.96x = 67,192.01
  5. Step 5: Solve for x
    x = 67,192.01/337.96
  6. Step 6: Final answer
    x = 198.82

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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.