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Finding the Fourth Proportional to 462.48, 637.92 and 364.56

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Solution

The fourth proportional to 462.48, 637.92 and 364.56 is: 502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.48 : 637.92 = 364.56 : x
  2. Step 2: Convert to fraction form
    462.48/637.92 = 364.56/x
  3. Step 3: Cross multiply
    462.48x = 637.92 × 364.56
  4. Step 4: Simplify right side
    462.48x = 232,560.12
  5. Step 5: Solve for x
    x = 232,560.12/462.48
  6. Step 6: Final answer
    x = 502.85

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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.