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Finding the Fourth Proportional to 483.50, 667.22 and 262.46

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Solution

The fourth proportional to 483.50, 667.22 and 262.46 is: 362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.50 : 667.22 = 262.46 : x
  2. Step 2: Convert to fraction form
    483.50/667.22 = 262.46/x
  3. Step 3: Cross multiply
    483.50x = 667.22 × 262.46
  4. Step 4: Simplify right side
    483.50x = 175,113.91
  5. Step 5: Solve for x
    x = 175,113.91/483.50
  6. Step 6: Final answer
    x = 362.18

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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.