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Finding the Fourth Proportional to 576.01, 863.52 and 229.59

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Solution

The fourth proportional to 576.01, 863.52 and 229.59 is: 344.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.01 : 863.52 = 229.59 : x
  2. Step 2: Convert to fraction form
    576.01/863.52 = 229.59/x
  3. Step 3: Cross multiply
    576.01x = 863.52 × 229.59
  4. Step 4: Simplify right side
    576.01x = 198,255.56
  5. Step 5: Solve for x
    x = 198,255.56/576.01
  6. Step 6: Final answer
    x = 344.19

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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.