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Finding the Fourth Proportional to 273,786.67, 409,680.87 and 161,520.67

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Solution

The fourth proportional to 273,786.67, 409,680.87 and 161,520.67 is: 241,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,786.67 : 409,680.87 = 161,520.67 : x
  2. Step 2: Convert to fraction form
    273,786.67/409,680.87 = 161,520.67/x
  3. Step 3: Cross multiply
    273,786.67x = 409,680.87 × 161,520.67
  4. Step 4: Simplify right side
    273,786.67x = 66,171,928,608.58
  5. Step 5: Solve for x
    x = 66,171,928,608.58/273,786.67
  6. Step 6: Final answer
    x = 241,691.56

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1.5x scale

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.