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Finding the Fourth Proportional to 461.92, 637.38 and 265.42

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Solution

The fourth proportional to 461.92, 637.38 and 265.42 is: 366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.92 : 637.38 = 265.42 : x
  2. Step 2: Convert to fraction form
    461.92/637.38 = 265.42/x
  3. Step 3: Cross multiply
    461.92x = 637.38 × 265.42
  4. Step 4: Simplify right side
    461.92x = 169,173.40
  5. Step 5: Solve for x
    x = 169,173.40/461.92
  6. Step 6: Final answer
    x = 366.24

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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.