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Finding the Fourth Proportional to 539,591.60, 809,197.39 and 179,664.71

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Solution

The fourth proportional to 539,591.60, 809,197.39 and 179,664.71 is: 269,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,591.60 : 809,197.39 = 179,664.71 : x
  2. Step 2: Convert to fraction form
    539,591.60/809,197.39 = 179,664.71/x
  3. Step 3: Cross multiply
    539,591.60x = 809,197.39 × 179,664.71
  4. Step 4: Simplify right side
    539,591.60x = 145,384,212,861.57
  5. Step 5: Solve for x
    x = 145,384,212,861.57/539,591.60
  6. Step 6: Final answer
    x = 269,433.80

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1.5x scale

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.