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Finding the Fourth Proportional to 543,121.80, 814,974.30 and 227,610.60

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Solution

The fourth proportional to 543,121.80, 814,974.30 and 227,610.60 is: 341,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,121.80 : 814,974.30 = 227,610.60 : x
  2. Step 2: Convert to fraction form
    543,121.80/814,974.30 = 227,610.60/x
  3. Step 3: Cross multiply
    543,121.80x = 814,974.30 × 227,610.60
  4. Step 4: Simplify right side
    543,121.80x = 185,496,789,407.58
  5. Step 5: Solve for x
    x = 185,496,789,407.58/543,121.80
  6. Step 6: Final answer
    x = 341,538.10

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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.