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Finding the Fourth Proportional to 539,441.60, 809,356.80 and 224,124.80

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Solution

The fourth proportional to 539,441.60, 809,356.80 and 224,124.80 is: 336,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,441.60 : 809,356.80 = 224,124.80 : x
  2. Step 2: Convert to fraction form
    539,441.60/809,356.80 = 224,124.80/x
  3. Step 3: Cross multiply
    539,441.60x = 809,356.80 × 224,124.80
  4. Step 4: Simplify right side
    539,441.60x = 181,396,930,928.64
  5. Step 5: Solve for x
    x = 181,396,930,928.64/539,441.60
  6. Step 6: Final answer
    x = 336,267.97

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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.