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Finding the Fourth Proportional to 361,108.80, 541,663.20 and 333,115.20

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Solution

The fourth proportional to 361,108.80, 541,663.20 and 333,115.20 is: 499,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,108.80 : 541,663.20 = 333,115.20 : x
  2. Step 2: Convert to fraction form
    361,108.80/541,663.20 = 333,115.20/x
  3. Step 3: Cross multiply
    361,108.80x = 541,663.20 × 333,115.20
  4. Step 4: Simplify right side
    361,108.80x = 180,436,245,200.64
  5. Step 5: Solve for x
    x = 180,436,245,200.64/361,108.80
  6. Step 6: Final answer
    x = 499,672.80

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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.