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Finding the Fourth Proportional to 483,115.43, 666,686.48 and 268,249.97

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Solution

The fourth proportional to 483,115.43, 666,686.48 and 268,249.97 is: 370,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,115.43 : 666,686.48 = 268,249.97 : x
  2. Step 2: Convert to fraction form
    483,115.43/666,686.48 = 268,249.97/x
  3. Step 3: Cross multiply
    483,115.43x = 666,686.48 × 268,249.97
  4. Step 4: Simplify right side
    483,115.43x = 178,838,623,584.72
  5. Step 5: Solve for x
    x = 178,838,623,584.72/483,115.43
  6. Step 6: Final answer
    x = 370,177.84

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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.