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Finding the Fourth Proportional to 737,593.20, 1,103,765.40 and 511,894.80

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Solution

The fourth proportional to 737,593.20, 1,103,765.40 and 511,894.80 is: 766,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,593.20 : 1,103,765.40 = 511,894.80 : x
  2. Step 2: Convert to fraction form
    737,593.20/1,103,765.40 = 511,894.80/x
  3. Step 3: Cross multiply
    737,593.20x = 1,103,765.40 × 511,894.80
  4. Step 4: Simplify right side
    737,593.20x = 565,011,768,679.92
  5. Step 5: Solve for x
    x = 565,011,768,679.92/737,593.20
  6. Step 6: Final answer
    x = 766,020.85

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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.