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Finding the Fourth Proportional to 483.64, 667.42 and 262.59

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Solution

The fourth proportional to 483.64, 667.42 and 262.59 is: 362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.64 : 667.42 = 262.59 : x
  2. Step 2: Convert to fraction form
    483.64/667.42 = 262.59/x
  3. Step 3: Cross multiply
    483.64x = 667.42 × 262.59
  4. Step 4: Simplify right side
    483.64x = 175,257.82
  5. Step 5: Solve for x
    x = 175,257.82/483.64
  6. Step 6: Final answer
    x = 362.37

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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.