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Finding the Fourth Proportional to 300,096.92, 449,645.60 and 211,163.59

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Solution

The fourth proportional to 300,096.92, 449,645.60 and 211,163.59 is: 316,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,096.92 : 449,645.60 = 211,163.59 : x
  2. Step 2: Convert to fraction form
    300,096.92/449,645.60 = 211,163.59/x
  3. Step 3: Cross multiply
    300,096.92x = 449,645.60 × 211,163.59
  4. Step 4: Simplify right side
    300,096.92x = 94,948,779,123.70
  5. Step 5: Solve for x
    x = 94,948,779,123.70/300,096.92
  6. Step 6: Final answer
    x = 316,393.71

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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.