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Finding the Fourth Proportional to 539,059.60, 808,589.40 and 165,082.60

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Solution

The fourth proportional to 539,059.60, 808,589.40 and 165,082.60 is: 247,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,059.60 : 808,589.40 = 165,082.60 : x
  2. Step 2: Convert to fraction form
    539,059.60/808,589.40 = 165,082.60/x
  3. Step 3: Cross multiply
    539,059.60x = 808,589.40 × 165,082.60
  4. Step 4: Simplify right side
    539,059.60x = 133,484,040,484.44
  5. Step 5: Solve for x
    x = 133,484,040,484.44/539,059.60
  6. Step 6: Final answer
    x = 247,623.90

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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.