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Finding the Fourth Proportional to 321,894.27, 444,111.26 and 185,910.26

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Solution

The fourth proportional to 321,894.27, 444,111.26 and 185,910.26 is: 256,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,894.27 : 444,111.26 = 185,910.26 : x
  2. Step 2: Convert to fraction form
    321,894.27/444,111.26 = 185,910.26/x
  3. Step 3: Cross multiply
    321,894.27x = 444,111.26 × 185,910.26
  4. Step 4: Simplify right side
    321,894.27x = 82,564,836,665.42
  5. Step 5: Solve for x
    x = 82,564,836,665.42/321,894.27
  6. Step 6: Final answer
    x = 256,496.76

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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.