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Finding the Fourth Proportional to 322,103.36, 444,567.92 and 186,143.04

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Solution

The fourth proportional to 322,103.36, 444,567.92 and 186,143.04 is: 256,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,103.36 : 444,567.92 = 186,143.04 : x
  2. Step 2: Convert to fraction form
    322,103.36/444,567.92 = 186,143.04/x
  3. Step 3: Cross multiply
    322,103.36x = 444,567.92 × 186,143.04
  4. Step 4: Simplify right side
    322,103.36x = 82,753,224,115.28
  5. Step 5: Solve for x
    x = 82,753,224,115.28/322,103.36
  6. Step 6: Final answer
    x = 256,915.12

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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.