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Finding the Fourth Proportional to 444,387.04, 666,680.56 and 140,799.44

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Solution

The fourth proportional to 444,387.04, 666,680.56 and 140,799.44 is: 211,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,387.04 : 666,680.56 = 140,799.44 : x
  2. Step 2: Convert to fraction form
    444,387.04/666,680.56 = 140,799.44/x
  3. Step 3: Cross multiply
    444,387.04x = 666,680.56 × 140,799.44
  4. Step 4: Simplify right side
    444,387.04x = 93,868,250,821.59
  5. Step 5: Solve for x
    x = 93,868,250,821.59/444,387.04
  6. Step 6: Final answer
    x = 211,230.85

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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.