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Finding the Fourth Proportional to 659,227.20, 988,840.80 and 160,591.20

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Solution

The fourth proportional to 659,227.20, 988,840.80 and 160,591.20 is: 240,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,227.20 : 988,840.80 = 160,591.20 : x
  2. Step 2: Convert to fraction form
    659,227.20/988,840.80 = 160,591.20/x
  3. Step 3: Cross multiply
    659,227.20x = 988,840.80 × 160,591.20
  4. Step 4: Simplify right side
    659,227.20x = 158,799,130,680.96
  5. Step 5: Solve for x
    x = 158,799,130,680.96/659,227.20
  6. Step 6: Final answer
    x = 240,886.80

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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.