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Finding the Fourth Proportional to 548,359.20, 822,555.63 and 149,008.41

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Solution

The fourth proportional to 548,359.20, 822,555.63 and 149,008.41 is: 223,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,359.20 : 822,555.63 = 149,008.41 : x
  2. Step 2: Convert to fraction form
    548,359.20/822,555.63 = 149,008.41/x
  3. Step 3: Cross multiply
    548,359.20x = 822,555.63 × 149,008.41
  4. Step 4: Simplify right side
    548,359.20x = 122,567,706,562.85
  5. Step 5: Solve for x
    x = 122,567,706,562.85/548,359.20
  6. Step 6: Final answer
    x = 223,517.19

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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.