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Finding the Fourth Proportional to 539,560.96, 809,340.90 and 160,480.18

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Solution

The fourth proportional to 539,560.96, 809,340.90 and 160,480.18 is: 240,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,560.96 : 809,340.90 = 160,480.18 : x
  2. Step 2: Convert to fraction form
    539,560.96/809,340.90 = 160,480.18/x
  3. Step 3: Cross multiply
    539,560.96x = 809,340.90 × 160,480.18
  4. Step 4: Simplify right side
    539,560.96x = 129,883,173,313.36
  5. Step 5: Solve for x
    x = 129,883,173,313.36/539,560.96
  6. Step 6: Final answer
    x = 240,720.11

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Double scale
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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.