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Finding the Fourth Proportional to 339,199.84, 508,910.31 and 170,633.17

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Solution

The fourth proportional to 339,199.84, 508,910.31 and 170,633.17 is: 256,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,199.84 : 508,910.31 = 170,633.17 : x
  2. Step 2: Convert to fraction form
    339,199.84/508,910.31 = 170,633.17/x
  3. Step 3: Cross multiply
    339,199.84x = 508,910.31 × 170,633.17
  4. Step 4: Simplify right side
    339,199.84x = 86,836,976,896.43
  5. Step 5: Solve for x
    x = 86,836,976,896.43/339,199.84
  6. Step 6: Final answer
    x = 256,005.36

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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.