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Finding the Fourth Proportional to 886.16, 1,329.15 and 236.96

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Solution

The fourth proportional to 886.16, 1,329.15 and 236.96 is: 355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.16 : 1,329.15 = 236.96 : x
  2. Step 2: Convert to fraction form
    886.16/1,329.15 = 236.96/x
  3. Step 3: Cross multiply
    886.16x = 1,329.15 × 236.96
  4. Step 4: Simplify right side
    886.16x = 314,955.38
  5. Step 5: Solve for x
    x = 314,955.38/886.16
  6. Step 6: Final answer
    x = 355.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.