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Finding the Fourth Proportional to 412,139.45, 568,745.73 and 230,850.92

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Solution

The fourth proportional to 412,139.45, 568,745.73 and 230,850.92 is: 318,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,139.45 : 568,745.73 = 230,850.92 : x
  2. Step 2: Convert to fraction form
    412,139.45/568,745.73 = 230,850.92/x
  3. Step 3: Cross multiply
    412,139.45x = 568,745.73 × 230,850.92
  4. Step 4: Simplify right side
    412,139.45x = 131,295,475,016.57
  5. Step 5: Solve for x
    x = 131,295,475,016.57/412,139.45
  6. Step 6: Final answer
    x = 318,570.51

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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.