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Finding the Fourth Proportional to 441.48, 608.88 and 336.60

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Solution

The fourth proportional to 441.48, 608.88 and 336.60 is: 464.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.48 : 608.88 = 336.60 : x
  2. Step 2: Convert to fraction form
    441.48/608.88 = 336.60/x
  3. Step 3: Cross multiply
    441.48x = 608.88 × 336.60
  4. Step 4: Simplify right side
    441.48x = 204,949.01
  5. Step 5: Solve for x
    x = 204,949.01/441.48
  6. Step 6: Final answer
    x = 464.23

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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.