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Finding the Fourth Proportional to 548,993.55, 823,396.90 and 149,540.91

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Solution

The fourth proportional to 548,993.55, 823,396.90 and 149,540.91 is: 224,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,993.55 : 823,396.90 = 149,540.91 : x
  2. Step 2: Convert to fraction form
    548,993.55/823,396.90 = 149,540.91/x
  3. Step 3: Cross multiply
    548,993.55x = 823,396.90 × 149,540.91
  4. Step 4: Simplify right side
    548,993.55x = 123,131,521,717.18
  5. Step 5: Solve for x
    x = 123,131,521,717.18/548,993.55
  6. Step 6: Final answer
    x = 224,285.92

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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.