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Finding the Fourth Proportional to 441.25, 608.99 and 404.33

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Solution

The fourth proportional to 441.25, 608.99 and 404.33 is: 558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.25 : 608.99 = 404.33 : x
  2. Step 2: Convert to fraction form
    441.25/608.99 = 404.33/x
  3. Step 3: Cross multiply
    441.25x = 608.99 × 404.33
  4. Step 4: Simplify right side
    441.25x = 246,227.86
  5. Step 5: Solve for x
    x = 246,227.86/441.25
  6. Step 6: Final answer
    x = 558.03

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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.