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Finding the Fourth Proportional to 331,423.62, 496,208.97 and 179,074.86

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Solution

The fourth proportional to 331,423.62, 496,208.97 and 179,074.86 is: 268,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,423.62 : 496,208.97 = 179,074.86 : x
  2. Step 2: Convert to fraction form
    331,423.62/496,208.97 = 179,074.86/x
  3. Step 3: Cross multiply
    331,423.62x = 496,208.97 × 179,074.86
  4. Step 4: Simplify right side
    331,423.62x = 88,858,551,833.49
  5. Step 5: Solve for x
    x = 88,858,551,833.49/331,423.62
  6. Step 6: Final answer
    x = 268,111.70

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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.