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Finding the Fourth Proportional to 331,049.78, 496,579.30 and 94,392.56

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Solution

The fourth proportional to 331,049.78, 496,579.30 and 94,392.56 is: 141,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,049.78 : 496,579.30 = 94,392.56 : x
  2. Step 2: Convert to fraction form
    331,049.78/496,579.30 = 94,392.56/x
  3. Step 3: Cross multiply
    331,049.78x = 496,579.30 × 94,392.56
  4. Step 4: Simplify right side
    331,049.78x = 46,873,388,651.13
  5. Step 5: Solve for x
    x = 46,873,388,651.13/331,049.78
  6. Step 6: Final answer
    x = 141,590.15

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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.