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Finding the Fourth Proportional to 481,040.75, 663,906.30 and 277,051.97

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Solution

The fourth proportional to 481,040.75, 663,906.30 and 277,051.97 is: 382,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,040.75 : 663,906.30 = 277,051.97 : x
  2. Step 2: Convert to fraction form
    481,040.75/663,906.30 = 277,051.97/x
  3. Step 3: Cross multiply
    481,040.75x = 663,906.30 × 277,051.97
  4. Step 4: Simplify right side
    481,040.75x = 183,936,544,990.88
  5. Step 5: Solve for x
    x = 183,936,544,990.88/481,040.75
  6. Step 6: Final answer
    x = 382,372.07

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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.