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Finding the Fourth Proportional to 366,266.60, 548,743.80 and 225,861.20

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Solution

The fourth proportional to 366,266.60, 548,743.80 and 225,861.20 is: 338,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,266.60 : 548,743.80 = 225,861.20 : x
  2. Step 2: Convert to fraction form
    366,266.60/548,743.80 = 225,861.20/x
  3. Step 3: Cross multiply
    366,266.60x = 548,743.80 × 225,861.20
  4. Step 4: Simplify right side
    366,266.60x = 123,939,933,160.56
  5. Step 5: Solve for x
    x = 123,939,933,160.56/366,266.60
  6. Step 6: Final answer
    x = 338,387.21

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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.