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Finding the Fourth Proportional to 550,013.11, 825,020.34 and 150,657.34

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Solution

The fourth proportional to 550,013.11, 825,020.34 and 150,657.34 is: 225,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,013.11 : 825,020.34 = 150,657.34 : x
  2. Step 2: Convert to fraction form
    550,013.11/825,020.34 = 150,657.34/x
  3. Step 3: Cross multiply
    550,013.11x = 825,020.34 × 150,657.34
  4. Step 4: Simplify right side
    550,013.11x = 124,295,369,870.30
  5. Step 5: Solve for x
    x = 124,295,369,870.30/550,013.11
  6. Step 6: Final answer
    x = 225,986.19

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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.