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Finding the Fourth Proportional to 299,354.22, 448,792.88 and 172,850.85

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Solution

The fourth proportional to 299,354.22, 448,792.88 and 172,850.85 is: 259,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,354.22 : 448,792.88 = 172,850.85 : x
  2. Step 2: Convert to fraction form
    299,354.22/448,792.88 = 172,850.85/x
  3. Step 3: Cross multiply
    299,354.22x = 448,792.88 × 172,850.85
  4. Step 4: Simplify right side
    299,354.22x = 77,574,229,917.69
  5. Step 5: Solve for x
    x = 77,574,229,917.69/299,354.22
  6. Step 6: Final answer
    x = 259,138.59

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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.