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Finding the Fourth Proportional to 667,636.52, 998,593.53 and 619,176.24

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Solution

The fourth proportional to 667,636.52, 998,593.53 and 619,176.24 is: 926,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,636.52 : 998,593.53 = 619,176.24 : x
  2. Step 2: Convert to fraction form
    667,636.52/998,593.53 = 619,176.24/x
  3. Step 3: Cross multiply
    667,636.52x = 998,593.53 × 619,176.24
  4. Step 4: Simplify right side
    667,636.52x = 618,305,387,193.73
  5. Step 5: Solve for x
    x = 618,305,387,193.73/667,636.52
  6. Step 6: Final answer
    x = 926,110.80

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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.