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Finding the Fourth Proportional to 412,249.46, 568,775.12 and 230,936.90

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Solution

The fourth proportional to 412,249.46, 568,775.12 and 230,936.90 is: 318,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,249.46 : 568,775.12 = 230,936.90 : x
  2. Step 2: Convert to fraction form
    412,249.46/568,775.12 = 230,936.90/x
  3. Step 3: Cross multiply
    412,249.46x = 568,775.12 × 230,936.90
  4. Step 4: Simplify right side
    412,249.46x = 131,351,163,009.93
  5. Step 5: Solve for x
    x = 131,351,163,009.93/412,249.46
  6. Step 6: Final answer
    x = 318,620.58

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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.