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Finding the Fourth Proportional to 339,817.44, 468,771.39 and 203,786.04

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Solution

The fourth proportional to 339,817.44, 468,771.39 and 203,786.04 is: 281,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,817.44 : 468,771.39 = 203,786.04 : x
  2. Step 2: Convert to fraction form
    339,817.44/468,771.39 = 203,786.04/x
  3. Step 3: Cross multiply
    339,817.44x = 468,771.39 × 203,786.04
  4. Step 4: Simplify right side
    339,817.44x = 95,529,065,233.40
  5. Step 5: Solve for x
    x = 95,529,065,233.40/339,817.44
  6. Step 6: Final answer
    x = 281,118.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.