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Finding the Fourth Proportional to 286.33, 395.12 and 162.01

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Solution

The fourth proportional to 286.33, 395.12 and 162.01 is: 223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    286.33 : 395.12 = 162.01 : x
  2. Step 2: Convert to fraction form
    286.33/395.12 = 162.01/x
  3. Step 3: Cross multiply
    286.33x = 395.12 × 162.01
  4. Step 4: Simplify right side
    286.33x = 64,013.39
  5. Step 5: Solve for x
    x = 64,013.39/286.33
  6. Step 6: Final answer
    x = 223.57

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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.