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Finding the Fourth Proportional to 462.33, 637.97 and 265.80

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Solution

The fourth proportional to 462.33, 637.97 and 265.80 is: 366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.33 : 637.97 = 265.80 : x
  2. Step 2: Convert to fraction form
    462.33/637.97 = 265.80/x
  3. Step 3: Cross multiply
    462.33x = 637.97 × 265.80
  4. Step 4: Simplify right side
    462.33x = 169,572.43
  5. Step 5: Solve for x
    x = 169,572.43/462.33
  6. Step 6: Final answer
    x = 366.78

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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.