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Finding the Fourth Proportional to 336,418.97, 504,057.20 and 203,018.91

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Solution

The fourth proportional to 336,418.97, 504,057.20 and 203,018.91 is: 304,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,418.97 : 504,057.20 = 203,018.91 : x
  2. Step 2: Convert to fraction form
    336,418.97/504,057.20 = 203,018.91/x
  3. Step 3: Cross multiply
    336,418.97x = 504,057.20 × 203,018.91
  4. Step 4: Simplify right side
    336,418.97x = 102,333,142,306.56
  5. Step 5: Solve for x
    x = 102,333,142,306.56/336,418.97
  6. Step 6: Final answer
    x = 304,183.63

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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.