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Finding the Fourth Proportional to 323,471.49, 446,392.49 and 187,586.12

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Solution

The fourth proportional to 323,471.49, 446,392.49 and 187,586.12 is: 258,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,471.49 : 446,392.49 = 187,586.12 : x
  2. Step 2: Convert to fraction form
    323,471.49/446,392.49 = 187,586.12/x
  3. Step 3: Cross multiply
    323,471.49x = 446,392.49 × 187,586.12
  4. Step 4: Simplify right side
    323,471.49x = 83,737,032,863.33
  5. Step 5: Solve for x
    x = 83,737,032,863.33/323,471.49
  6. Step 6: Final answer
    x = 258,869.90

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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.