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Finding the Fourth Proportional to 539,370.27, 809,187.08 and 179,540.42

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Solution

The fourth proportional to 539,370.27, 809,187.08 and 179,540.42 is: 269,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,370.27 : 809,187.08 = 179,540.42 : x
  2. Step 2: Convert to fraction form
    539,370.27/809,187.08 = 179,540.42/x
  3. Step 3: Cross multiply
    539,370.27x = 809,187.08 × 179,540.42
  4. Step 4: Simplify right side
    539,370.27x = 145,281,783,258.14
  5. Step 5: Solve for x
    x = 145,281,783,258.14/539,370.27
  6. Step 6: Final answer
    x = 269,354.45

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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.