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Finding the Fourth Proportional to 574,069.52, 861,108.60 and 200,092.88

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Solution

The fourth proportional to 574,069.52, 861,108.60 and 200,092.88 is: 300,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,069.52 : 861,108.60 = 200,092.88 : x
  2. Step 2: Convert to fraction form
    574,069.52/861,108.60 = 200,092.88/x
  3. Step 3: Cross multiply
    574,069.52x = 861,108.60 × 200,092.88
  4. Step 4: Simplify right side
    574,069.52x = 172,301,699,766.77
  5. Step 5: Solve for x
    x = 172,301,699,766.77/574,069.52
  6. Step 6: Final answer
    x = 300,140.83

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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.