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Finding the Fourth Proportional to 252.70, 348.87 and 174.46

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Solution

The fourth proportional to 252.70, 348.87 and 174.46 is: 240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.70 : 348.87 = 174.46 : x
  2. Step 2: Convert to fraction form
    252.70/348.87 = 174.46/x
  3. Step 3: Cross multiply
    252.70x = 348.87 × 174.46
  4. Step 4: Simplify right side
    252.70x = 60,863.86
  5. Step 5: Solve for x
    x = 60,863.86/252.70
  6. Step 6: Final answer
    x = 240.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.