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Finding the Fourth Proportional to 461.88, 637.29 and 265.35

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Solution

The fourth proportional to 461.88, 637.29 and 265.35 is: 366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.88 : 637.29 = 265.35 : x
  2. Step 2: Convert to fraction form
    461.88/637.29 = 265.35/x
  3. Step 3: Cross multiply
    461.88x = 637.29 × 265.35
  4. Step 4: Simplify right side
    461.88x = 169,104.90
  5. Step 5: Solve for x
    x = 169,104.90/461.88
  6. Step 6: Final answer
    x = 366.12

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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.