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Finding the Fourth Proportional to 327,642.80, 452,037.92 and 267,109.04

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Solution

The fourth proportional to 327,642.80, 452,037.92 and 267,109.04 is: 368,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,642.80 : 452,037.92 = 267,109.04 : x
  2. Step 2: Convert to fraction form
    327,642.80/452,037.92 = 267,109.04/x
  3. Step 3: Cross multiply
    327,642.80x = 452,037.92 × 267,109.04
  4. Step 4: Simplify right side
    327,642.80x = 120,743,414,854.80
  5. Step 5: Solve for x
    x = 120,743,414,854.80/327,642.80
  6. Step 6: Final answer
    x = 368,521.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.