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Finding the Fourth Proportional to 372.46, 558.67 and 177.32

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Solution

The fourth proportional to 372.46, 558.67 and 177.32 is: 265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.46 : 558.67 = 177.32 : x
  2. Step 2: Convert to fraction form
    372.46/558.67 = 177.32/x
  3. Step 3: Cross multiply
    372.46x = 558.67 × 177.32
  4. Step 4: Simplify right side
    372.46x = 99,059.68
  5. Step 5: Solve for x
    x = 99,059.68/372.46
  6. Step 6: Final answer
    x = 265.96

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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.