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Finding the Fourth Proportional to 888,257.64, 1,331,906.56 and 460,733.64

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Solution

The fourth proportional to 888,257.64, 1,331,906.56 and 460,733.64 is: 690,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,257.64 : 1,331,906.56 = 460,733.64 : x
  2. Step 2: Convert to fraction form
    888,257.64/1,331,906.56 = 460,733.64/x
  3. Step 3: Cross multiply
    888,257.64x = 1,331,906.56 × 460,733.64
  4. Step 4: Simplify right side
    888,257.64x = 613,654,157,528.68
  5. Step 5: Solve for x
    x = 613,654,157,528.68/888,257.64
  6. Step 6: Final answer
    x = 690,851.54

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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.