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Finding the Fourth Proportional to 591,709.20, 887,563.80 and 170,998.80

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Solution

The fourth proportional to 591,709.20, 887,563.80 and 170,998.80 is: 256,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,709.20 : 887,563.80 = 170,998.80 : x
  2. Step 2: Convert to fraction form
    591,709.20/887,563.80 = 170,998.80/x
  3. Step 3: Cross multiply
    591,709.20x = 887,563.80 × 170,998.80
  4. Step 4: Simplify right side
    591,709.20x = 151,772,344,723.44
  5. Step 5: Solve for x
    x = 151,772,344,723.44/591,709.20
  6. Step 6: Final answer
    x = 256,498.20

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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.