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Finding the Fourth Proportional to 548,850.30, 823,793.85 and 338,898.30

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Solution

The fourth proportional to 548,850.30, 823,793.85 and 338,898.30 is: 508,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,850.30 : 823,793.85 = 338,898.30 : x
  2. Step 2: Convert to fraction form
    548,850.30/823,793.85 = 338,898.30/x
  3. Step 3: Cross multiply
    548,850.30x = 823,793.85 × 338,898.30
  4. Step 4: Simplify right side
    548,850.30x = 279,182,335,315.46
  5. Step 5: Solve for x
    x = 279,182,335,315.46/548,850.30
  6. Step 6: Final answer
    x = 508,667.55

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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.