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Finding the Fourth Proportional to 533,154.88, 799,732.33 and 178,168.90

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Solution

The fourth proportional to 533,154.88, 799,732.33 and 178,168.90 is: 267,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,154.88 : 799,732.33 = 178,168.90 : x
  2. Step 2: Convert to fraction form
    533,154.88/799,732.33 = 178,168.90/x
  3. Step 3: Cross multiply
    533,154.88x = 799,732.33 × 178,168.90
  4. Step 4: Simplify right side
    533,154.88x = 142,487,431,584.28
  5. Step 5: Solve for x
    x = 142,487,431,584.28/533,154.88
  6. Step 6: Final answer
    x = 267,253.36

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Similar ratio
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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.