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Finding the Fourth Proportional to 299,381.22, 448,833.39 and 172,877.82

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Solution

The fourth proportional to 299,381.22, 448,833.39 and 172,877.82 is: 259,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,381.22 : 448,833.39 = 172,877.82 : x
  2. Step 2: Convert to fraction form
    299,381.22/448,833.39 = 172,877.82/x
  3. Step 3: Cross multiply
    299,381.22x = 448,833.39 × 172,877.82
  4. Step 4: Simplify right side
    299,381.22x = 77,593,338,006.41
  5. Step 5: Solve for x
    x = 77,593,338,006.41/299,381.22
  6. Step 6: Final answer
    x = 259,179.04

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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.