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Finding the Fourth Proportional to 533,231.28, 799,685.36 and 280,375.52

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Solution

The fourth proportional to 533,231.28, 799,685.36 and 280,375.52 is: 420,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,231.28 : 799,685.36 = 280,375.52 : x
  2. Step 2: Convert to fraction form
    533,231.28/799,685.36 = 280,375.52/x
  3. Step 3: Cross multiply
    533,231.28x = 799,685.36 × 280,375.52
  4. Step 4: Simplify right side
    533,231.28x = 224,212,198,646.39
  5. Step 5: Solve for x
    x = 224,212,198,646.39/533,231.28
  6. Step 6: Final answer
    x = 420,478.33

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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.