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Finding the Fourth Proportional to 574.13, 861.19 and 232.13

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Solution

The fourth proportional to 574.13, 861.19 and 232.13 is: 348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.13 : 861.19 = 232.13 : x
  2. Step 2: Convert to fraction form
    574.13/861.19 = 232.13/x
  3. Step 3: Cross multiply
    574.13x = 861.19 × 232.13
  4. Step 4: Simplify right side
    574.13x = 199,908.03
  5. Step 5: Solve for x
    x = 199,908.03/574.13
  6. Step 6: Final answer
    x = 348.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.