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Finding the Fourth Proportional to 410,993.34, 616,381.97 and 122,736.58

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Solution

The fourth proportional to 410,993.34, 616,381.97 and 122,736.58 is: 184,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,993.34 : 616,381.97 = 122,736.58 : x
  2. Step 2: Convert to fraction form
    410,993.34/616,381.97 = 122,736.58/x
  3. Step 3: Cross multiply
    410,993.34x = 616,381.97 × 122,736.58
  4. Step 4: Simplify right side
    410,993.34x = 75,652,616,974.37
  5. Step 5: Solve for x
    x = 75,652,616,974.37/410,993.34
  6. Step 6: Final answer
    x = 184,072.61

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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.