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Finding the Fourth Proportional to 481,626.26, 722,474.01 and 166,078.61

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Solution

The fourth proportional to 481,626.26, 722,474.01 and 166,078.61 is: 249,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,626.26 : 722,474.01 = 166,078.61 : x
  2. Step 2: Convert to fraction form
    481,626.26/722,474.01 = 166,078.61/x
  3. Step 3: Cross multiply
    481,626.26x = 722,474.01 × 166,078.61
  4. Step 4: Simplify right side
    481,626.26x = 119,987,475,729.56
  5. Step 5: Solve for x
    x = 119,987,475,729.56/481,626.26
  6. Step 6: Final answer
    x = 249,129.85

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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.