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Finding the Fourth Proportional to 329,512.78, 494,269.17 and 119,101.51

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Solution

The fourth proportional to 329,512.78, 494,269.17 and 119,101.51 is: 178,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,512.78 : 494,269.17 = 119,101.51 : x
  2. Step 2: Convert to fraction form
    329,512.78/494,269.17 = 119,101.51/x
  3. Step 3: Cross multiply
    329,512.78x = 494,269.17 × 119,101.51
  4. Step 4: Simplify right side
    329,512.78x = 58,868,204,493.45
  5. Step 5: Solve for x
    x = 58,868,204,493.45/329,512.78
  6. Step 6: Final answer
    x = 178,652.27

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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.