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Finding the Fourth Proportional to 451,175.34, 622,621.97 and 269,894.91

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Solution

The fourth proportional to 451,175.34, 622,621.97 and 269,894.91 is: 372,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,175.34 : 622,621.97 = 269,894.91 : x
  2. Step 2: Convert to fraction form
    451,175.34/622,621.97 = 269,894.91/x
  3. Step 3: Cross multiply
    451,175.34x = 622,621.97 × 269,894.91
  4. Step 4: Simplify right side
    451,175.34x = 168,042,504,072.80
  5. Step 5: Solve for x
    x = 168,042,504,072.80/451,175.34
  6. Step 6: Final answer
    x = 372,454.98

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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.