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Finding the Fourth Proportional to 299,571.57, 449,366.58 and 131,005.13

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Solution

The fourth proportional to 299,571.57, 449,366.58 and 131,005.13 is: 196,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,571.57 : 449,366.58 = 131,005.13 : x
  2. Step 2: Convert to fraction form
    299,571.57/449,366.58 = 131,005.13/x
  3. Step 3: Cross multiply
    299,571.57x = 449,366.58 × 131,005.13
  4. Step 4: Simplify right side
    299,571.57x = 58,869,327,230.56
  5. Step 5: Solve for x
    x = 58,869,327,230.56/299,571.57
  6. Step 6: Final answer
    x = 196,511.73

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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.