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Finding the Fourth Proportional to 483.98, 667.88 and 262.92

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Solution

The fourth proportional to 483.98, 667.88 and 262.92 is: 362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.98 : 667.88 = 262.92 : x
  2. Step 2: Convert to fraction form
    483.98/667.88 = 262.92/x
  3. Step 3: Cross multiply
    483.98x = 667.88 × 262.92
  4. Step 4: Simplify right side
    483.98x = 175,599.01
  5. Step 5: Solve for x
    x = 175,599.01/483.98
  6. Step 6: Final answer
    x = 362.82

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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.