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Finding the Fourth Proportional to 574,193.80, 861,474.30 and 174,910.60

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Solution

The fourth proportional to 574,193.80, 861,474.30 and 174,910.60 is: 262,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,193.80 : 861,474.30 = 174,910.60 : x
  2. Step 2: Convert to fraction form
    574,193.80/861,474.30 = 174,910.60/x
  3. Step 3: Cross multiply
    574,193.80x = 861,474.30 × 174,910.60
  4. Step 4: Simplify right side
    574,193.80x = 150,680,986,697.58
  5. Step 5: Solve for x
    x = 150,680,986,697.58/574,193.80
  6. Step 6: Final answer
    x = 262,421.83

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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.