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Finding the Fourth Proportional to 412,282.76, 568,940.29 and 231,002.33

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Solution

The fourth proportional to 412,282.76, 568,940.29 and 231,002.33 is: 318,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,282.76 : 568,940.29 = 231,002.33 : x
  2. Step 2: Convert to fraction form
    412,282.76/568,940.29 = 231,002.33/x
  3. Step 3: Cross multiply
    412,282.76x = 568,940.29 × 231,002.33
  4. Step 4: Simplify right side
    412,282.76x = 131,426,529,198.67
  5. Step 5: Solve for x
    x = 131,426,529,198.67/412,282.76
  6. Step 6: Final answer
    x = 318,777.65

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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.