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Finding the Fourth Proportional to 322,246.34, 483,418.65 and 164,388.68

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Solution

The fourth proportional to 322,246.34, 483,418.65 and 164,388.68 is: 246,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,246.34 : 483,418.65 = 164,388.68 : x
  2. Step 2: Convert to fraction form
    322,246.34/483,418.65 = 164,388.68/x
  3. Step 3: Cross multiply
    322,246.34x = 483,418.65 × 164,388.68
  4. Step 4: Simplify right side
    322,246.34x = 79,468,553,760.88
  5. Step 5: Solve for x
    x = 79,468,553,760.88/322,246.34
  6. Step 6: Final answer
    x = 246,608.09

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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.