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Finding the Fourth Proportional to 329,067.92, 490,794.34 and 323,381.68

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Solution

The fourth proportional to 329,067.92, 490,794.34 and 323,381.68 is: 482,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,067.92 : 490,794.34 = 323,381.68 : x
  2. Step 2: Convert to fraction form
    329,067.92/490,794.34 = 323,381.68/x
  3. Step 3: Cross multiply
    329,067.92x = 490,794.34 × 323,381.68
  4. Step 4: Simplify right side
    329,067.92x = 158,713,898,203.69
  5. Step 5: Solve for x
    x = 158,713,898,203.69/329,067.92
  6. Step 6: Final answer
    x = 482,313.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.