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Finding the Fourth Proportional to 323,898.38, 446,859.26 and 187,856.04

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Solution

The fourth proportional to 323,898.38, 446,859.26 and 187,856.04 is: 259,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,898.38 : 446,859.26 = 187,856.04 : x
  2. Step 2: Convert to fraction form
    323,898.38/446,859.26 = 187,856.04/x
  3. Step 3: Cross multiply
    323,898.38x = 446,859.26 × 187,856.04
  4. Step 4: Simplify right side
    323,898.38x = 83,945,211,020.93
  5. Step 5: Solve for x
    x = 83,945,211,020.93/323,898.38
  6. Step 6: Final answer
    x = 259,171.44

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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.