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Finding the Fourth Proportional to 548,363.20, 822,561.63 and 149,012.41

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Solution

The fourth proportional to 548,363.20, 822,561.63 and 149,012.41 is: 223,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,363.20 : 822,561.63 = 149,012.41 : x
  2. Step 2: Convert to fraction form
    548,363.20/822,561.63 = 149,012.41/x
  3. Step 3: Cross multiply
    548,363.20x = 822,561.63 × 149,012.41
  4. Step 4: Simplify right side
    548,363.20x = 122,571,890,859.83
  5. Step 5: Solve for x
    x = 122,571,890,859.83/548,363.20
  6. Step 6: Final answer
    x = 223,523.19

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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.