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Finding the Fourth Proportional to 300,195.14, 450,447.92 and 131,833.80

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Solution

The fourth proportional to 300,195.14, 450,447.92 and 131,833.80 is: 197,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,195.14 : 450,447.92 = 131,833.80 : x
  2. Step 2: Convert to fraction form
    300,195.14/450,447.92 = 131,833.80/x
  3. Step 3: Cross multiply
    300,195.14x = 450,447.92 × 131,833.80
  4. Step 4: Simplify right side
    300,195.14x = 59,384,260,336.53
  5. Step 5: Solve for x
    x = 59,384,260,336.53/300,195.14
  6. Step 6: Final answer
    x = 197,818.86

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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.