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Finding the Fourth Proportional to 299,664.39, 449,493.49 and 173,224.17

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Solution

The fourth proportional to 299,664.39, 449,493.49 and 173,224.17 is: 259,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,664.39 : 449,493.49 = 173,224.17 : x
  2. Step 2: Convert to fraction form
    299,664.39/449,493.49 = 173,224.17/x
  3. Step 3: Cross multiply
    299,664.39x = 449,493.49 × 173,224.17
  4. Step 4: Simplify right side
    299,664.39x = 77,863,135,859.53
  5. Step 5: Solve for x
    x = 77,863,135,859.53/299,664.39
  6. Step 6: Final answer
    x = 259,834.46

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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.