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Finding the Fourth Proportional to 321,797.13, 444,101.25 and 185,836.78

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Solution

The fourth proportional to 321,797.13, 444,101.25 and 185,836.78 is: 256,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,797.13 : 444,101.25 = 185,836.78 : x
  2. Step 2: Convert to fraction form
    321,797.13/444,101.25 = 185,836.78/x
  3. Step 3: Cross multiply
    321,797.13x = 444,101.25 × 185,836.78
  4. Step 4: Simplify right side
    321,797.13x = 82,530,346,293.98
  5. Step 5: Solve for x
    x = 82,530,346,293.98/321,797.13
  6. Step 6: Final answer
    x = 256,467.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.