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Finding the Fourth Proportional to 241.72, 332.58 and 212.56

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Solution

The fourth proportional to 241.72, 332.58 and 212.56 is: 292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.72 : 332.58 = 212.56 : x
  2. Step 2: Convert to fraction form
    241.72/332.58 = 212.56/x
  3. Step 3: Cross multiply
    241.72x = 332.58 × 212.56
  4. Step 4: Simplify right side
    241.72x = 70,693.20
  5. Step 5: Solve for x
    x = 70,693.20/241.72
  6. Step 6: Final answer
    x = 292.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.