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Finding the Fourth Proportional to 353.64, 488.22 and 237.42

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Solution

The fourth proportional to 353.64, 488.22 and 237.42 is: 327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.64 : 488.22 = 237.42 : x
  2. Step 2: Convert to fraction form
    353.64/488.22 = 237.42/x
  3. Step 3: Cross multiply
    353.64x = 488.22 × 237.42
  4. Step 4: Simplify right side
    353.64x = 115,913.19
  5. Step 5: Solve for x
    x = 115,913.19/353.64
  6. Step 6: Final answer
    x = 327.77

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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.