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Finding the Fourth Proportional to 580,522.33, 871,115.73 and 225,490.42

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Solution

The fourth proportional to 580,522.33, 871,115.73 and 225,490.42 is: 338,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,522.33 : 871,115.73 = 225,490.42 : x
  2. Step 2: Convert to fraction form
    580,522.33/871,115.73 = 225,490.42/x
  3. Step 3: Cross multiply
    580,522.33x = 871,115.73 × 225,490.42
  4. Step 4: Simplify right side
    580,522.33x = 196,428,251,826.31
  5. Step 5: Solve for x
    x = 196,428,251,826.31/580,522.33
  6. Step 6: Final answer
    x = 338,364.68

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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.