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Finding the Fourth Proportional to 451.26, 622.62 and 296.01

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Solution

The fourth proportional to 451.26, 622.62 and 296.01 is: 408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.26 : 622.62 = 296.01 : x
  2. Step 2: Convert to fraction form
    451.26/622.62 = 296.01/x
  3. Step 3: Cross multiply
    451.26x = 622.62 × 296.01
  4. Step 4: Simplify right side
    451.26x = 184,301.75
  5. Step 5: Solve for x
    x = 184,301.75/451.26
  6. Step 6: Final answer
    x = 408.42

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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.