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Finding the Fourth Proportional to 539,550.20, 809,325.30 and 165,524.60

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Solution

The fourth proportional to 539,550.20, 809,325.30 and 165,524.60 is: 248,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,550.20 : 809,325.30 = 165,524.60 : x
  2. Step 2: Convert to fraction form
    539,550.20/809,325.30 = 165,524.60/x
  3. Step 3: Cross multiply
    539,550.20x = 809,325.30 × 165,524.60
  4. Step 4: Simplify right side
    539,550.20x = 133,963,246,552.38
  5. Step 5: Solve for x
    x = 133,963,246,552.38/539,550.20
  6. Step 6: Final answer
    x = 248,286.90

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Similar ratio
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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.