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Finding the Fourth Proportional to 484,983.28, 669,294.96 and 267,200.80

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Solution

The fourth proportional to 484,983.28, 669,294.96 and 267,200.80 is: 368,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,983.28 : 669,294.96 = 267,200.80 : x
  2. Step 2: Convert to fraction form
    484,983.28/669,294.96 = 267,200.80/x
  3. Step 3: Cross multiply
    484,983.28x = 669,294.96 × 267,200.80
  4. Step 4: Simplify right side
    484,983.28x = 178,836,148,747.97
  5. Step 5: Solve for x
    x = 178,836,148,747.97/484,983.28
  6. Step 6: Final answer
    x = 368,747.04

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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.