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Finding the Fourth Proportional to 483,769.84, 667,610.42 and 265,987.72

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Solution

The fourth proportional to 483,769.84, 667,610.42 and 265,987.72 is: 367,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,769.84 : 667,610.42 = 265,987.72 : x
  2. Step 2: Convert to fraction form
    483,769.84/667,610.42 = 265,987.72/x
  3. Step 3: Cross multiply
    483,769.84x = 667,610.42 × 265,987.72
  4. Step 4: Simplify right side
    483,769.84x = 177,576,173,464.04
  5. Step 5: Solve for x
    x = 177,576,173,464.04/483,769.84
  6. Step 6: Final answer
    x = 367,067.47

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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.