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Finding the Fourth Proportional to 299,044.78, 448,227.72 and 262,951.38

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Solution

The fourth proportional to 299,044.78, 448,227.72 and 262,951.38 is: 394,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,044.78 : 448,227.72 = 262,951.38 : x
  2. Step 2: Convert to fraction form
    299,044.78/448,227.72 = 262,951.38/x
  3. Step 3: Cross multiply
    299,044.78x = 448,227.72 × 262,951.38
  4. Step 4: Simplify right side
    299,044.78x = 117,862,097,528.25
  5. Step 5: Solve for x
    x = 117,862,097,528.25/299,044.78
  6. Step 6: Final answer
    x = 394,128.59

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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.