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Finding the Fourth Proportional to 241.12, 362.24 and 202.72

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Solution

The fourth proportional to 241.12, 362.24 and 202.72 is: 304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.12 : 362.24 = 202.72 : x
  2. Step 2: Convert to fraction form
    241.12/362.24 = 202.72/x
  3. Step 3: Cross multiply
    241.12x = 362.24 × 202.72
  4. Step 4: Simplify right side
    241.12x = 73,433.29
  5. Step 5: Solve for x
    x = 73,433.29/241.12
  6. Step 6: Final answer
    x = 304.55

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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.