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Finding the Fourth Proportional to 548,336.28, 822,520.62 and 148,974.96

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Solution

The fourth proportional to 548,336.28, 822,520.62 and 148,974.96 is: 223,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,336.28 : 822,520.62 = 148,974.96 : x
  2. Step 2: Convert to fraction form
    548,336.28/822,520.62 = 148,974.96/x
  3. Step 3: Cross multiply
    548,336.28x = 822,520.62 × 148,974.96
  4. Step 4: Simplify right side
    548,336.28x = 122,534,976,463.68
  5. Step 5: Solve for x
    x = 122,534,976,463.68/548,336.28
  6. Step 6: Final answer
    x = 223,466.84

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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.