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Finding the Fourth Proportional to 298,851.24, 412,414.87 and 169,789.94

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Solution

The fourth proportional to 298,851.24, 412,414.87 and 169,789.94 is: 234,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,851.24 : 412,414.87 = 169,789.94 : x
  2. Step 2: Convert to fraction form
    298,851.24/412,414.87 = 169,789.94/x
  3. Step 3: Cross multiply
    298,851.24x = 412,414.87 × 169,789.94
  4. Step 4: Simplify right side
    298,851.24x = 70,023,896,032.41
  5. Step 5: Solve for x
    x = 70,023,896,032.41/298,851.24
  6. Step 6: Final answer
    x = 234,310.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.