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Finding the Fourth Proportional to 484.29, 667.97 and 372.24

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Solution

The fourth proportional to 484.29, 667.97 and 372.24 is: 513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.29 : 667.97 = 372.24 : x
  2. Step 2: Convert to fraction form
    484.29/667.97 = 372.24/x
  3. Step 3: Cross multiply
    484.29x = 667.97 × 372.24
  4. Step 4: Simplify right side
    484.29x = 248,645.15
  5. Step 5: Solve for x
    x = 248,645.15/484.29
  6. Step 6: Final answer
    x = 513.42

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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.