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Finding the Fourth Proportional to 444.98, 667.29 and 262.46

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Solution

The fourth proportional to 444.98, 667.29 and 262.46 is: 393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.98 : 667.29 = 262.46 : x
  2. Step 2: Convert to fraction form
    444.98/667.29 = 262.46/x
  3. Step 3: Cross multiply
    444.98x = 667.29 × 262.46
  4. Step 4: Simplify right side
    444.98x = 175,136.93
  5. Step 5: Solve for x
    x = 175,136.93/444.98
  6. Step 6: Final answer
    x = 393.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.