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Finding the Fourth Proportional to 591,972.60, 887,958.90 and 259,548.60

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Solution

The fourth proportional to 591,972.60, 887,958.90 and 259,548.60 is: 389,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,972.60 : 887,958.90 = 259,548.60 : x
  2. Step 2: Convert to fraction form
    591,972.60/887,958.90 = 259,548.60/x
  3. Step 3: Cross multiply
    591,972.60x = 887,958.90 × 259,548.60
  4. Step 4: Simplify right side
    591,972.60x = 230,468,489,352.54
  5. Step 5: Solve for x
    x = 230,468,489,352.54/591,972.60
  6. Step 6: Final answer
    x = 389,322.90

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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.