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Finding the Fourth Proportional to 444.45, 613.25 and 333.68

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Solution

The fourth proportional to 444.45, 613.25 and 333.68 is: 460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.45 : 613.25 = 333.68 : x
  2. Step 2: Convert to fraction form
    444.45/613.25 = 333.68/x
  3. Step 3: Cross multiply
    444.45x = 613.25 × 333.68
  4. Step 4: Simplify right side
    444.45x = 204,624.53
  5. Step 5: Solve for x
    x = 204,624.53/444.45
  6. Step 6: Final answer
    x = 460.40

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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.