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Finding the Fourth Proportional to 483.67, 667.48 and 262.64

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Solution

The fourth proportional to 483.67, 667.48 and 262.64 is: 362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.67 : 667.48 = 262.64 : x
  2. Step 2: Convert to fraction form
    483.67/667.48 = 262.64/x
  3. Step 3: Cross multiply
    483.67x = 667.48 × 262.64
  4. Step 4: Simplify right side
    483.67x = 175,304.70
  5. Step 5: Solve for x
    x = 175,304.70/483.67
  6. Step 6: Final answer
    x = 362.45

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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.