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Finding the Fourth Proportional to 591,700.20, 887,550.30 and 170,989.80

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Solution

The fourth proportional to 591,700.20, 887,550.30 and 170,989.80 is: 256,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,700.20 : 887,550.30 = 170,989.80 : x
  2. Step 2: Convert to fraction form
    591,700.20/887,550.30 = 170,989.80/x
  3. Step 3: Cross multiply
    591,700.20x = 887,550.30 × 170,989.80
  4. Step 4: Simplify right side
    591,700.20x = 151,762,048,286.94
  5. Step 5: Solve for x
    x = 151,762,048,286.94/591,700.20
  6. Step 6: Final answer
    x = 256,484.70

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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.