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Finding the Fourth Proportional to 372.49, 514.13 and 232.67

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Solution

The fourth proportional to 372.49, 514.13 and 232.67 is: 321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.49 : 514.13 = 232.67 : x
  2. Step 2: Convert to fraction form
    372.49/514.13 = 232.67/x
  3. Step 3: Cross multiply
    372.49x = 514.13 × 232.67
  4. Step 4: Simplify right side
    372.49x = 119,622.75
  5. Step 5: Solve for x
    x = 119,622.75/372.49
  6. Step 6: Final answer
    x = 321.15

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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.