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Finding the Fourth Proportional to 452.22, 622.26 and 441.42

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Solution

The fourth proportional to 452.22, 622.26 and 441.42 is: 607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.22 : 622.26 = 441.42 : x
  2. Step 2: Convert to fraction form
    452.22/622.26 = 441.42/x
  3. Step 3: Cross multiply
    452.22x = 622.26 × 441.42
  4. Step 4: Simplify right side
    452.22x = 274,678.01
  5. Step 5: Solve for x
    x = 274,678.01/452.22
  6. Step 6: Final answer
    x = 607.40

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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.