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Finding the Fourth Proportional to 468.97, 703.27 and 144.22

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Solution

The fourth proportional to 468.97, 703.27 and 144.22 is: 216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.97 : 703.27 = 144.22 : x
  2. Step 2: Convert to fraction form
    468.97/703.27 = 144.22/x
  3. Step 3: Cross multiply
    468.97x = 703.27 × 144.22
  4. Step 4: Simplify right side
    468.97x = 101,425.60
  5. Step 5: Solve for x
    x = 101,425.60/468.97
  6. Step 6: Final answer
    x = 216.27

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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.