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Finding the Fourth Proportional to 372.74, 558.70 and 167.24

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Solution

The fourth proportional to 372.74, 558.70 and 167.24 is: 250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.74 : 558.70 = 167.24 : x
  2. Step 2: Convert to fraction form
    372.74/558.70 = 167.24/x
  3. Step 3: Cross multiply
    372.74x = 558.70 × 167.24
  4. Step 4: Simplify right side
    372.74x = 93,437.97
  5. Step 5: Solve for x
    x = 93,437.97/372.74
  6. Step 6: Final answer
    x = 250.68

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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.