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Finding the Fourth Proportional to 412,241.87, 568,910.12 and 230,955.30

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Solution

The fourth proportional to 412,241.87, 568,910.12 and 230,955.30 is: 318,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,241.87 : 568,910.12 = 230,955.30 : x
  2. Step 2: Convert to fraction form
    412,241.87/568,910.12 = 230,955.30/x
  3. Step 3: Cross multiply
    412,241.87x = 568,910.12 × 230,955.30
  4. Step 4: Simplify right side
    412,241.87x = 131,392,806,282.86
  5. Step 5: Solve for x
    x = 131,392,806,282.86/412,241.87
  6. Step 6: Final answer
    x = 318,727.46

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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.