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Finding the Fourth Proportional to 372.96, 514.80 and 241.92

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Solution

The fourth proportional to 372.96, 514.80 and 241.92 is: 333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.96 : 514.80 = 241.92 : x
  2. Step 2: Convert to fraction form
    372.96/514.80 = 241.92/x
  3. Step 3: Cross multiply
    372.96x = 514.80 × 241.92
  4. Step 4: Simplify right side
    372.96x = 124,540.42
  5. Step 5: Solve for x
    x = 124,540.42/372.96
  6. Step 6: Final answer
    x = 333.92

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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.