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Finding the Fourth Proportional to 366,912.35, 550,343.91 and 100,650.56

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Solution

The fourth proportional to 366,912.35, 550,343.91 and 100,650.56 is: 150,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912.35 : 550,343.91 = 100,650.56 : x
  2. Step 2: Convert to fraction form
    366,912.35/550,343.91 = 100,650.56/x
  3. Step 3: Cross multiply
    366,912.35x = 550,343.91 × 100,650.56
  4. Step 4: Simplify right side
    366,912.35x = 55,392,422,734.09
  5. Step 5: Solve for x
    x = 55,392,422,734.09/366,912.35
  6. Step 6: Final answer
    x = 150,969.09

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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.