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Finding the Fourth Proportional to 329,636.52, 494,454.78 and 119,225.25

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Solution

The fourth proportional to 329,636.52, 494,454.78 and 119,225.25 is: 178,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,636.52 : 494,454.78 = 119,225.25 : x
  2. Step 2: Convert to fraction form
    329,636.52/494,454.78 = 119,225.25/x
  3. Step 3: Cross multiply
    329,636.52x = 494,454.78 × 119,225.25
  4. Step 4: Simplify right side
    329,636.52x = 58,951,494,759.20
  5. Step 5: Solve for x
    x = 58,951,494,759.20/329,636.52
  6. Step 6: Final answer
    x = 178,837.88

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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.