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Finding the Fourth Proportional to 539,793.30, 810,183.78 and 273,737.46

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Solution

The fourth proportional to 539,793.30, 810,183.78 and 273,737.46 is: 410,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,793.30 : 810,183.78 = 273,737.46 : x
  2. Step 2: Convert to fraction form
    539,793.30/810,183.78 = 273,737.46/x
  3. Step 3: Cross multiply
    539,793.30x = 810,183.78 × 273,737.46
  4. Step 4: Simplify right side
    539,793.30x = 221,777,650,070.40
  5. Step 5: Solve for x
    x = 221,777,650,070.40/539,793.30
  6. Step 6: Final answer
    x = 410,856.62

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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.