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Finding the Fourth Proportional to 372.56, 514 and 232.58

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Solution

The fourth proportional to 372.56, 514 and 232.58 is: 320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.56 : 514 = 232.58 : x
  2. Step 2: Convert to fraction form
    372.56/514 = 232.58/x
  3. Step 3: Cross multiply
    372.56x = 514 × 232.58
  4. Step 4: Simplify right side
    372.56x = 119,546.12
  5. Step 5: Solve for x
    x = 119,546.12/372.56
  6. Step 6: Final answer
    x = 320.88

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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.