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Finding the Fourth Proportional to 337.20, 505.32 and 174.54

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Solution

The fourth proportional to 337.20, 505.32 and 174.54 is: 261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.20 : 505.32 = 174.54 : x
  2. Step 2: Convert to fraction form
    337.20/505.32 = 174.54/x
  3. Step 3: Cross multiply
    337.20x = 505.32 × 174.54
  4. Step 4: Simplify right side
    337.20x = 88,198.55
  5. Step 5: Solve for x
    x = 88,198.55/337.20
  6. Step 6: Final answer
    x = 261.56

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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.