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Finding the Fourth Proportional to 723.22, 1,084.07 and 236.14

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Solution

The fourth proportional to 723.22, 1,084.07 and 236.14 is: 353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    723.22 : 1,084.07 = 236.14 : x
  2. Step 2: Convert to fraction form
    723.22/1,084.07 = 236.14/x
  3. Step 3: Cross multiply
    723.22x = 1,084.07 × 236.14
  4. Step 4: Simplify right side
    723.22x = 255,991.11
  5. Step 5: Solve for x
    x = 255,991.11/723.22
  6. Step 6: Final answer
    x = 353.96

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Why These Related Problems?

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