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Finding the Fourth Proportional to 360,940.80, 541,411.20 and 337,321.20

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Solution

The fourth proportional to 360,940.80, 541,411.20 and 337,321.20 is: 505,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,940.80 : 541,411.20 = 337,321.20 : x
  2. Step 2: Convert to fraction form
    360,940.80/541,411.20 = 337,321.20/x
  3. Step 3: Cross multiply
    360,940.80x = 541,411.20 × 337,321.20
  4. Step 4: Simplify right side
    360,940.80x = 182,629,475,677.44
  5. Step 5: Solve for x
    x = 182,629,475,677.44/360,940.80
  6. Step 6: Final answer
    x = 505,981.80

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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.