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Finding the Fourth Proportional to 580,563.72, 871,162.56 and 225,591.48

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Solution

The fourth proportional to 580,563.72, 871,162.56 and 225,591.48 is: 338,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,563.72 : 871,162.56 = 225,591.48 : x
  2. Step 2: Convert to fraction form
    580,563.72/871,162.56 = 225,591.48/x
  3. Step 3: Cross multiply
    580,563.72x = 871,162.56 × 225,591.48
  4. Step 4: Simplify right side
    580,563.72x = 196,526,851,230.99
  5. Step 5: Solve for x
    x = 196,526,851,230.99/580,563.72
  6. Step 6: Final answer
    x = 338,510.39

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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.