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Finding the Fourth Proportional to 321,959.16, 444,281.41 and 178,707.92

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Solution

The fourth proportional to 321,959.16, 444,281.41 and 178,707.92 is: 246,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,959.16 : 444,281.41 = 178,707.92 : x
  2. Step 2: Convert to fraction form
    321,959.16/444,281.41 = 178,707.92/x
  3. Step 3: Cross multiply
    321,959.16x = 444,281.41 × 178,707.92
  4. Step 4: Simplify right side
    321,959.16x = 79,396,605,782.23
  5. Step 5: Solve for x
    x = 79,396,605,782.23/321,959.16
  6. Step 6: Final answer
    x = 246,604.59

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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.