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Finding the Fourth Proportional to 574,193.30, 861,473.55 and 174,910.10

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Solution

The fourth proportional to 574,193.30, 861,473.55 and 174,910.10 is: 262,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,193.30 : 861,473.55 = 174,910.10 : x
  2. Step 2: Convert to fraction form
    574,193.30/861,473.55 = 174,910.10/x
  3. Step 3: Cross multiply
    574,193.30x = 861,473.55 × 174,910.10
  4. Step 4: Simplify right side
    574,193.30x = 150,680,424,777.86
  5. Step 5: Solve for x
    x = 150,680,424,777.86/574,193.30
  6. Step 6: Final answer
    x = 262,421.08

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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.