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Finding the Fourth Proportional to 462.44, 637.96 and 265.90

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Solution

The fourth proportional to 462.44, 637.96 and 265.90 is: 366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.44 : 637.96 = 265.90 : x
  2. Step 2: Convert to fraction form
    462.44/637.96 = 265.90/x
  3. Step 3: Cross multiply
    462.44x = 637.96 × 265.90
  4. Step 4: Simplify right side
    462.44x = 169,633.56
  5. Step 5: Solve for x
    x = 169,633.56/462.44
  6. Step 6: Final answer
    x = 366.82

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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.