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Finding the Fourth Proportional to 444,139.23, 665,912.91 and 244,553.61

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Solution

The fourth proportional to 444,139.23, 665,912.91 and 244,553.61 is: 366,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,139.23 : 665,912.91 = 244,553.61 : x
  2. Step 2: Convert to fraction form
    444,139.23/665,912.91 = 244,553.61/x
  3. Step 3: Cross multiply
    444,139.23x = 665,912.91 × 244,553.61
  4. Step 4: Simplify right side
    444,139.23x = 162,851,406,086.11
  5. Step 5: Solve for x
    x = 162,851,406,086.11/444,139.23
  6. Step 6: Final answer
    x = 366,667.47

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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.