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Finding the Fourth Proportional to 580,964.80, 871,576.80 and 225,947.20

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Solution

The fourth proportional to 580,964.80, 871,576.80 and 225,947.20 is: 338,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,964.80 : 871,576.80 = 225,947.20 : x
  2. Step 2: Convert to fraction form
    580,964.80/871,576.80 = 225,947.20/x
  3. Step 3: Cross multiply
    580,964.80x = 871,576.80 × 225,947.20
  4. Step 4: Simplify right side
    580,964.80x = 196,930,337,544.96
  5. Step 5: Solve for x
    x = 196,930,337,544.96/580,964.80
  6. Step 6: Final answer
    x = 338,971.20

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1.5x scale

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.