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Finding the Fourth Proportional to 272,334.80, 408,502.20 and 183,861.20

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Solution

The fourth proportional to 272,334.80, 408,502.20 and 183,861.20 is: 275,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,334.80 : 408,502.20 = 183,861.20 : x
  2. Step 2: Convert to fraction form
    272,334.80/408,502.20 = 183,861.20/x
  3. Step 3: Cross multiply
    272,334.80x = 408,502.20 × 183,861.20
  4. Step 4: Simplify right side
    272,334.80x = 75,107,704,694.64
  5. Step 5: Solve for x
    x = 75,107,704,694.64/272,334.80
  6. Step 6: Final answer
    x = 275,791.80

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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.