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Finding the Fourth Proportional to 591,701.20, 887,551.80 and 170,990.80

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Solution

The fourth proportional to 591,701.20, 887,551.80 and 170,990.80 is: 256,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,701.20 : 887,551.80 = 170,990.80 : x
  2. Step 2: Convert to fraction form
    591,701.20/887,551.80 = 170,990.80/x
  3. Step 3: Cross multiply
    591,701.20x = 887,551.80 × 170,990.80
  4. Step 4: Simplify right side
    591,701.20x = 151,763,192,323.44
  5. Step 5: Solve for x
    x = 151,763,192,323.44/591,701.20
  6. Step 6: Final answer
    x = 256,486.20

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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.