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Finding the Fourth Proportional to 372.92, 514.80 and 233.24

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Solution

The fourth proportional to 372.92, 514.80 and 233.24 is: 321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.92 : 514.80 = 233.24 : x
  2. Step 2: Convert to fraction form
    372.92/514.80 = 233.24/x
  3. Step 3: Cross multiply
    372.92x = 514.80 × 233.24
  4. Step 4: Simplify right side
    372.92x = 120,069.79
  5. Step 5: Solve for x
    x = 120,069.79/372.92
  6. Step 6: Final answer
    x = 321.98

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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.