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Finding the Fourth Proportional to 329,512.32, 494,306.88 and 119,249.28

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Solution

The fourth proportional to 329,512.32, 494,306.88 and 119,249.28 is: 178,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,512.32 : 494,306.88 = 119,249.28 : x
  2. Step 2: Convert to fraction form
    329,512.32/494,306.88 = 119,249.28/x
  3. Step 3: Cross multiply
    329,512.32x = 494,306.88 × 119,249.28
  4. Step 4: Simplify right side
    329,512.32x = 58,945,739,539.05
  5. Step 5: Solve for x
    x = 58,945,739,539.05/329,512.32
  6. Step 6: Final answer
    x = 178,887.82

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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.