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Finding the Fourth Proportional to 543,082.80, 814,915.80 and 227,571.60

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Solution

The fourth proportional to 543,082.80, 814,915.80 and 227,571.60 is: 341,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,082.80 : 814,915.80 = 227,571.60 : x
  2. Step 2: Convert to fraction form
    543,082.80/814,915.80 = 227,571.60/x
  3. Step 3: Cross multiply
    543,082.80x = 814,915.80 × 227,571.60
  4. Step 4: Simplify right side
    543,082.80x = 185,451,692,471.28
  5. Step 5: Solve for x
    x = 185,451,692,471.28/543,082.80
  6. Step 6: Final answer
    x = 341,479.59

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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.