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Finding the Fourth Proportional to 551,480.31, 826,057.98 and 252,212.85

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Solution

The fourth proportional to 551,480.31, 826,057.98 and 252,212.85 is: 377,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,480.31 : 826,057.98 = 252,212.85 : x
  2. Step 2: Convert to fraction form
    551,480.31/826,057.98 = 252,212.85/x
  3. Step 3: Cross multiply
    551,480.31x = 826,057.98 × 252,212.85
  4. Step 4: Simplify right side
    551,480.31x = 208,342,437,401.04
  5. Step 5: Solve for x
    x = 208,342,437,401.04/551,480.31
  6. Step 6: Final answer
    x = 377,787.63

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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.