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Finding the Fourth Proportional to 444,448.24, 666,821.99 and 140,891.97

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Solution

The fourth proportional to 444,448.24, 666,821.99 and 140,891.97 is: 211,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,448.24 : 666,821.99 = 140,891.97 : x
  2. Step 2: Convert to fraction form
    444,448.24/666,821.99 = 140,891.97/x
  3. Step 3: Cross multiply
    444,448.24x = 666,821.99 × 140,891.97
  4. Step 4: Simplify right side
    444,448.24x = 93,949,863,810.42
  5. Step 5: Solve for x
    x = 93,949,863,810.42/444,448.24
  6. Step 6: Final answer
    x = 211,385.39

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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.