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Finding the Fourth Proportional to 379,610.92, 523,869.29 and 226,662.48

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Solution

The fourth proportional to 379,610.92, 523,869.29 and 226,662.48 is: 312,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,610.92 : 523,869.29 = 226,662.48 : x
  2. Step 2: Convert to fraction form
    379,610.92/523,869.29 = 226,662.48/x
  3. Step 3: Cross multiply
    379,610.92x = 523,869.29 × 226,662.48
  4. Step 4: Simplify right side
    379,610.92x = 118,741,512,467.24
  5. Step 5: Solve for x
    x = 118,741,512,467.24/379,610.92
  6. Step 6: Final answer
    x = 312,797.94

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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.