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Finding the Fourth Proportional to 580,674.84, 871,067.34 and 225,716.28

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Solution

The fourth proportional to 580,674.84, 871,067.34 and 225,716.28 is: 338,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,674.84 : 871,067.34 = 225,716.28 : x
  2. Step 2: Convert to fraction form
    580,674.84/871,067.34 = 225,716.28/x
  3. Step 3: Cross multiply
    580,674.84x = 871,067.34 × 225,716.28
  4. Step 4: Simplify right side
    580,674.84x = 196,614,079,614.30
  5. Step 5: Solve for x
    x = 196,614,079,614.30/580,674.84
  6. Step 6: Final answer
    x = 338,595.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.