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Finding the Fourth Proportional to 273,391.60, 410,524.80 and 206,906.80

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Solution

The fourth proportional to 273,391.60, 410,524.80 and 206,906.80 is: 310,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,391.60 : 410,524.80 = 206,906.80 : x
  2. Step 2: Convert to fraction form
    273,391.60/410,524.80 = 206,906.80/x
  3. Step 3: Cross multiply
    273,391.60x = 410,524.80 × 206,906.80
  4. Step 4: Simplify right side
    273,391.60x = 84,940,372,688.64
  5. Step 5: Solve for x
    x = 84,940,372,688.64/273,391.60
  6. Step 6: Final answer
    x = 310,691.23

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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.