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Finding the Fourth Proportional to 591,701.70, 887,552.55 and 170,991.30

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Solution

The fourth proportional to 591,701.70, 887,552.55 and 170,991.30 is: 256,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,701.70 : 887,552.55 = 170,991.30 : x
  2. Step 2: Convert to fraction form
    591,701.70/887,552.55 = 170,991.30/x
  3. Step 3: Cross multiply
    591,701.70x = 887,552.55 × 170,991.30
  4. Step 4: Simplify right side
    591,701.70x = 151,763,764,342.82
  5. Step 5: Solve for x
    x = 151,763,764,342.82/591,701.70
  6. Step 6: Final answer
    x = 256,486.95

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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.