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Finding the Fourth Proportional to 550,016.12, 825,024.84 and 150,660.34

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Solution

The fourth proportional to 550,016.12, 825,024.84 and 150,660.34 is: 225,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,016.12 : 825,024.84 = 150,660.34 : x
  2. Step 2: Convert to fraction form
    550,016.12/825,024.84 = 150,660.34/x
  3. Step 3: Cross multiply
    550,016.12x = 825,024.84 × 150,660.34
  4. Step 4: Simplify right side
    550,016.12x = 124,298,522,902.85
  5. Step 5: Solve for x
    x = 124,298,522,902.85/550,016.12
  6. Step 6: Final answer
    x = 225,990.69

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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.