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Finding the Fourth Proportional to 450.22, 674.16 and 233.32

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Solution

The fourth proportional to 450.22, 674.16 and 233.32 is: 349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.22 : 674.16 = 233.32 : x
  2. Step 2: Convert to fraction form
    450.22/674.16 = 233.32/x
  3. Step 3: Cross multiply
    450.22x = 674.16 × 233.32
  4. Step 4: Simplify right side
    450.22x = 157,295.01
  5. Step 5: Solve for x
    x = 157,295.01/450.22
  6. Step 6: Final answer
    x = 349.37

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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.