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Finding the Fourth Proportional to 460.33, 635.17 and 261.13

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Solution

The fourth proportional to 460.33, 635.17 and 261.13 is: 360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.33 : 635.17 = 261.13 : x
  2. Step 2: Convert to fraction form
    460.33/635.17 = 261.13/x
  3. Step 3: Cross multiply
    460.33x = 635.17 × 261.13
  4. Step 4: Simplify right side
    460.33x = 165,861.94
  5. Step 5: Solve for x
    x = 165,861.94/460.33
  6. Step 6: Final answer
    x = 360.31

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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.