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Finding the Fourth Proportional to 379,216.22, 568,906.31 and 112,998.17

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Solution

The fourth proportional to 379,216.22, 568,906.31 and 112,998.17 is: 169,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,216.22 : 568,906.31 = 112,998.17 : x
  2. Step 2: Convert to fraction form
    379,216.22/568,906.31 = 112,998.17/x
  3. Step 3: Cross multiply
    379,216.22x = 568,906.31 × 112,998.17
  4. Step 4: Simplify right side
    379,216.22x = 64,285,373,636.21
  5. Step 5: Solve for x
    x = 64,285,373,636.21/379,216.22
  6. Step 6: Final answer
    x = 169,521.69

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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.