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Finding the Fourth Proportional to 412,947.72, 617,856.12 and 244,558.44

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Solution

The fourth proportional to 412,947.72, 617,856.12 and 244,558.44 is: 365,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,947.72 : 617,856.12 = 244,558.44 : x
  2. Step 2: Convert to fraction form
    412,947.72/617,856.12 = 244,558.44/x
  3. Step 3: Cross multiply
    412,947.72x = 617,856.12 × 244,558.44
  4. Step 4: Simplify right side
    412,947.72x = 151,101,928,851.65
  5. Step 5: Solve for x
    x = 151,101,928,851.65/412,947.72
  6. Step 6: Final answer
    x = 365,910.55

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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.