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Finding the Fourth Proportional to 454,879.73, 682,310.25 and 202,091.69

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Solution

The fourth proportional to 454,879.73, 682,310.25 and 202,091.69 is: 303,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,879.73 : 682,310.25 = 202,091.69 : x
  2. Step 2: Convert to fraction form
    454,879.73/682,310.25 = 202,091.69/x
  3. Step 3: Cross multiply
    454,879.73x = 682,310.25 × 202,091.69
  4. Step 4: Simplify right side
    454,879.73x = 137,889,228,115.27
  5. Step 5: Solve for x
    x = 137,889,228,115.27/454,879.73
  6. Step 6: Final answer
    x = 303,133.38

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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.