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Finding the Fourth Proportional to 351,760.44, 485,453.22 and 198,745.56

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Solution

The fourth proportional to 351,760.44, 485,453.22 and 198,745.56 is: 274,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,760.44 : 485,453.22 = 198,745.56 : x
  2. Step 2: Convert to fraction form
    351,760.44/485,453.22 = 198,745.56/x
  3. Step 3: Cross multiply
    351,760.44x = 485,453.22 × 198,745.56
  4. Step 4: Simplify right side
    351,760.44x = 96,481,672,062.70
  5. Step 5: Solve for x
    x = 96,481,672,062.70/351,760.44
  6. Step 6: Final answer
    x = 274,282.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.