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Finding the Fourth Proportional to 539,571.46, 809,356.65 and 160,490.62

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Solution

The fourth proportional to 539,571.46, 809,356.65 and 160,490.62 is: 240,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,571.46 : 809,356.65 = 160,490.62 : x
  2. Step 2: Convert to fraction form
    539,571.46/809,356.65 = 160,490.62/x
  3. Step 3: Cross multiply
    539,571.46x = 809,356.65 × 160,490.62
  4. Step 4: Simplify right side
    539,571.46x = 129,894,150,559.62
  5. Step 5: Solve for x
    x = 129,894,150,559.62/539,571.46
  6. Step 6: Final answer
    x = 240,735.77

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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.