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Finding the Fourth Proportional to 440,105.33, 660,079.95 and 200,163.02

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Solution

The fourth proportional to 440,105.33, 660,079.95 and 200,163.02 is: 300,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,105.33 : 660,079.95 = 200,163.02 : x
  2. Step 2: Convert to fraction form
    440,105.33/660,079.95 = 200,163.02/x
  3. Step 3: Cross multiply
    440,105.33x = 660,079.95 × 200,163.02
  4. Step 4: Simplify right side
    440,105.33x = 132,123,596,233.45
  5. Step 5: Solve for x
    x = 132,123,596,233.45/440,105.33
  6. Step 6: Final answer
    x = 300,209.03

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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.