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Finding the Fourth Proportional to 444,561.90, 666,353.61 and 219,589.26

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Solution

The fourth proportional to 444,561.90, 666,353.61 and 219,589.26 is: 329,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,561.90 : 666,353.61 = 219,589.26 : x
  2. Step 2: Convert to fraction form
    444,561.90/666,353.61 = 219,589.26/x
  3. Step 3: Cross multiply
    444,561.90x = 666,353.61 × 219,589.26
  4. Step 4: Simplify right side
    444,561.90x = 146,324,096,118.23
  5. Step 5: Solve for x
    x = 146,324,096,118.23/444,561.90
  6. Step 6: Final answer
    x = 329,142.23

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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.