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Finding the Fourth Proportional to 574.56, 861.44 and 466.83

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Solution

The fourth proportional to 574.56, 861.44 and 466.83 is: 699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.56 : 861.44 = 466.83 : x
  2. Step 2: Convert to fraction form
    574.56/861.44 = 466.83/x
  3. Step 3: Cross multiply
    574.56x = 861.44 × 466.83
  4. Step 4: Simplify right side
    574.56x = 402,143.70
  5. Step 5: Solve for x
    x = 402,143.70/574.56
  6. Step 6: Final answer
    x = 699.92

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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.