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Finding the Fourth Proportional to 539,582.06, 809,183.07 and 179,655.16

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Solution

The fourth proportional to 539,582.06, 809,183.07 and 179,655.16 is: 269,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,582.06 : 809,183.07 = 179,655.16 : x
  2. Step 2: Convert to fraction form
    539,582.06/809,183.07 = 179,655.16/x
  3. Step 3: Cross multiply
    539,582.06x = 809,183.07 × 179,655.16
  4. Step 4: Simplify right side
    539,582.06x = 145,373,914,359.28
  5. Step 5: Solve for x
    x = 145,373,914,359.28/539,582.06
  6. Step 6: Final answer
    x = 269,419.47

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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.