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Finding the Fourth Proportional to 366,961.56, 550,383.30 and 100,660.29

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Solution

The fourth proportional to 366,961.56, 550,383.30 and 100,660.29 is: 150,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,961.56 : 550,383.30 = 100,660.29 : x
  2. Step 2: Convert to fraction form
    366,961.56/550,383.30 = 100,660.29/x
  3. Step 3: Cross multiply
    366,961.56x = 550,383.30 × 100,660.29
  4. Step 4: Simplify right side
    366,961.56x = 55,401,742,589.16
  5. Step 5: Solve for x
    x = 55,401,742,589.16/366,961.56
  6. Step 6: Final answer
    x = 150,974.24

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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.