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Finding the Fourth Proportional to 329,606.28, 494,456.78 and 101,919.64

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Solution

The fourth proportional to 329,606.28, 494,456.78 and 101,919.64 is: 152,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,606.28 : 494,456.78 = 101,919.64 : x
  2. Step 2: Convert to fraction form
    329,606.28/494,456.78 = 101,919.64/x
  3. Step 3: Cross multiply
    329,606.28x = 494,456.78 × 101,919.64
  4. Step 4: Simplify right side
    329,606.28x = 50,394,857,013.16
  5. Step 5: Solve for x
    x = 50,394,857,013.16/329,606.28
  6. Step 6: Final answer
    x = 152,894.10

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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.