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Finding the Fourth Proportional to 574,339.88, 861,568.75 and 219,652.22

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Solution

The fourth proportional to 574,339.88, 861,568.75 and 219,652.22 is: 329,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,339.88 : 861,568.75 = 219,652.22 : x
  2. Step 2: Convert to fraction form
    574,339.88/861,568.75 = 219,652.22/x
  3. Step 3: Cross multiply
    574,339.88x = 861,568.75 × 219,652.22
  4. Step 4: Simplify right side
    574,339.88x = 189,245,491,048.61
  5. Step 5: Solve for x
    x = 189,245,491,048.61/574,339.88
  6. Step 6: Final answer
    x = 329,500.87

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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.