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Finding the Fourth Proportional to 591,361.60, 887,042.40 and 170,651.20

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Solution

The fourth proportional to 591,361.60, 887,042.40 and 170,651.20 is: 255,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,361.60 : 887,042.40 = 170,651.20 : x
  2. Step 2: Convert to fraction form
    591,361.60/887,042.40 = 170,651.20/x
  3. Step 3: Cross multiply
    591,361.60x = 887,042.40 × 170,651.20
  4. Step 4: Simplify right side
    591,361.60x = 151,374,850,010.88
  5. Step 5: Solve for x
    x = 151,374,850,010.88/591,361.60
  6. Step 6: Final answer
    x = 255,976.80

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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.