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Finding the Fourth Proportional to 410,793.60, 615,153.60 and 269,788.80

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Solution

The fourth proportional to 410,793.60, 615,153.60 and 269,788.80 is: 404,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,793.60 : 615,153.60 = 269,788.80 : x
  2. Step 2: Convert to fraction form
    410,793.60/615,153.60 = 269,788.80/x
  3. Step 3: Cross multiply
    410,793.60x = 615,153.60 × 269,788.80
  4. Step 4: Simplify right side
    410,793.60x = 165,961,551,559.68
  5. Step 5: Solve for x
    x = 165,961,551,559.68/410,793.60
  6. Step 6: Final answer
    x = 404,002.28

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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.