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Finding the Fourth Proportional to 236.46, 357.18 and 236.46

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Solution

The fourth proportional to 236.46, 357.18 and 236.46 is: 357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.46 : 357.18 = 236.46 : x
  2. Step 2: Convert to fraction form
    236.46/357.18 = 236.46/x
  3. Step 3: Cross multiply
    236.46x = 357.18 × 236.46
  4. Step 4: Simplify right side
    236.46x = 84,458.78
  5. Step 5: Solve for x
    x = 84,458.78/236.46
  6. Step 6: Final answer
    x = 357.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.