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Finding the Fourth Proportional to 461.67, 637.20 and 265.29

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Solution

The fourth proportional to 461.67, 637.20 and 265.29 is: 366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.67 : 637.20 = 265.29 : x
  2. Step 2: Convert to fraction form
    461.67/637.20 = 265.29/x
  3. Step 3: Cross multiply
    461.67x = 637.20 × 265.29
  4. Step 4: Simplify right side
    461.67x = 169,042.79
  5. Step 5: Solve for x
    x = 169,042.79/461.67
  6. Step 6: Final answer
    x = 366.16

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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.