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Finding the Fourth Proportional to 303.56, 417.78 and 241.18

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Solution

The fourth proportional to 303.56, 417.78 and 241.18 is: 331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.56 : 417.78 = 241.18 : x
  2. Step 2: Convert to fraction form
    303.56/417.78 = 241.18/x
  3. Step 3: Cross multiply
    303.56x = 417.78 × 241.18
  4. Step 4: Simplify right side
    303.56x = 100,760.18
  5. Step 5: Solve for x
    x = 100,760.18/303.56
  6. Step 6: Final answer
    x = 331.93

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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.