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Finding the Fourth Proportional to 337.10, 472.90 and 337.10

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Solution

The fourth proportional to 337.10, 472.90 and 337.10 is: 472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.10 : 472.90 = 337.10 : x
  2. Step 2: Convert to fraction form
    337.10/472.90 = 337.10/x
  3. Step 3: Cross multiply
    337.10x = 472.90 × 337.10
  4. Step 4: Simplify right side
    337.10x = 159,414.59
  5. Step 5: Solve for x
    x = 159,414.59/337.10
  6. Step 6: Final answer
    x = 472.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.