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Finding the Fourth Proportional to 444.84, 613.60 and 361.95

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Solution

The fourth proportional to 444.84, 613.60 and 361.95 is: 499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.84 : 613.60 = 361.95 : x
  2. Step 2: Convert to fraction form
    444.84/613.60 = 361.95/x
  3. Step 3: Cross multiply
    444.84x = 613.60 × 361.95
  4. Step 4: Simplify right side
    444.84x = 222,092.52
  5. Step 5: Solve for x
    x = 222,092.52/444.84
  6. Step 6: Final answer
    x = 499.26

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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.