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Finding the Fourth Proportional to 483.94, 667.82 and 262.88

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Solution

The fourth proportional to 483.94, 667.82 and 262.88 is: 362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.94 : 667.82 = 262.88 : x
  2. Step 2: Convert to fraction form
    483.94/667.82 = 262.88/x
  3. Step 3: Cross multiply
    483.94x = 667.82 × 262.88
  4. Step 4: Simplify right side
    483.94x = 175,556.52
  5. Step 5: Solve for x
    x = 175,556.52/483.94
  6. Step 6: Final answer
    x = 362.77

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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.