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Finding the Fourth Proportional to 574,041.60, 861,092.16 and 174,650.88

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Solution

The fourth proportional to 574,041.60, 861,092.16 and 174,650.88 is: 261,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,041.60 : 861,092.16 = 174,650.88 : x
  2. Step 2: Convert to fraction form
    574,041.60/861,092.16 = 174,650.88/x
  3. Step 3: Cross multiply
    574,041.60x = 861,092.16 × 174,650.88
  4. Step 4: Simplify right side
    574,041.60x = 150,390,503,505.10
  5. Step 5: Solve for x
    x = 150,390,503,505.10/574,041.60
  6. Step 6: Final answer
    x = 261,985.37

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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.