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Finding the Fourth Proportional to 337.26, 505.38 and 174.90

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Solution

The fourth proportional to 337.26, 505.38 and 174.90 is: 262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.26 : 505.38 = 174.90 : x
  2. Step 2: Convert to fraction form
    337.26/505.38 = 174.90/x
  3. Step 3: Cross multiply
    337.26x = 505.38 × 174.90
  4. Step 4: Simplify right side
    337.26x = 88,390.96
  5. Step 5: Solve for x
    x = 88,390.96/337.26
  6. Step 6: Final answer
    x = 262.09

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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.