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Finding the Fourth Proportional to 336,553.70, 503,936.30 and 203,253.62

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Solution

The fourth proportional to 336,553.70, 503,936.30 and 203,253.62 is: 304,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,553.70 : 503,936.30 = 203,253.62 : x
  2. Step 2: Convert to fraction form
    336,553.70/503,936.30 = 203,253.62/x
  3. Step 3: Cross multiply
    336,553.70x = 503,936.30 × 203,253.62
  4. Step 4: Simplify right side
    336,553.70x = 102,426,874,704.72
  5. Step 5: Solve for x
    x = 102,426,874,704.72/336,553.70
  6. Step 6: Final answer
    x = 304,340.37

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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.