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Finding the Fourth Proportional to 264,520.76, 396,635.34 and 137,844.88

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Solution

The fourth proportional to 264,520.76, 396,635.34 and 137,844.88 is: 206,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,520.76 : 396,635.34 = 137,844.88 : x
  2. Step 2: Convert to fraction form
    264,520.76/396,635.34 = 137,844.88/x
  3. Step 3: Cross multiply
    264,520.76x = 396,635.34 × 137,844.88
  4. Step 4: Simplify right side
    264,520.76x = 54,674,150,846.06
  5. Step 5: Solve for x
    x = 54,674,150,846.06/264,520.76
  6. Step 6: Final answer
    x = 206,691.34

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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.