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Finding the Fourth Proportional to 548,757.96, 823,169.07 and 211,800.39

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Solution

The fourth proportional to 548,757.96, 823,169.07 and 211,800.39 is: 317,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,757.96 : 823,169.07 = 211,800.39 : x
  2. Step 2: Convert to fraction form
    548,757.96/823,169.07 = 211,800.39/x
  3. Step 3: Cross multiply
    548,757.96x = 823,169.07 × 211,800.39
  4. Step 4: Simplify right side
    548,757.96x = 174,347,530,061.94
  5. Step 5: Solve for x
    x = 174,347,530,061.94/548,757.96
  6. Step 6: Final answer
    x = 317,712.99

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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.