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Finding the Fourth Proportional to 352.41, 486.32 and 197.16

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Solution

The fourth proportional to 352.41, 486.32 and 197.16 is: 272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.41 : 486.32 = 197.16 : x
  2. Step 2: Convert to fraction form
    352.41/486.32 = 197.16/x
  3. Step 3: Cross multiply
    352.41x = 486.32 × 197.16
  4. Step 4: Simplify right side
    352.41x = 95,881.15
  5. Step 5: Solve for x
    x = 95,881.15/352.41
  6. Step 6: Final answer
    x = 272.08

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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.