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Finding the Fourth Proportional to 461,340.28, 636,665.30 and 267,733.09

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Solution

The fourth proportional to 461,340.28, 636,665.30 and 267,733.09 is: 369,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,340.28 : 636,665.30 = 267,733.09 : x
  2. Step 2: Convert to fraction form
    461,340.28/636,665.30 = 267,733.09/x
  3. Step 3: Cross multiply
    461,340.28x = 636,665.30 × 267,733.09
  4. Step 4: Simplify right side
    461,340.28x = 170,456,368,064.78
  5. Step 5: Solve for x
    x = 170,456,368,064.78/461,340.28
  6. Step 6: Final answer
    x = 369,480.78

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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.