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Finding the Fourth Proportional to 339,653.84, 468,602.78 and 203,731.79

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Solution

The fourth proportional to 339,653.84, 468,602.78 and 203,731.79 is: 281,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,653.84 : 468,602.78 = 203,731.79 : x
  2. Step 2: Convert to fraction form
    339,653.84/468,602.78 = 203,731.79/x
  3. Step 3: Cross multiply
    339,653.84x = 468,602.78 × 203,731.79
  4. Step 4: Simplify right side
    339,653.84x = 95,469,279,806.70
  5. Step 5: Solve for x
    x = 95,469,279,806.70/339,653.84
  6. Step 6: Final answer
    x = 281,078.17

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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.