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Finding the Fourth Proportional to 341.46, 471.12 and 236.43

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Solution

The fourth proportional to 341.46, 471.12 and 236.43 is: 326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.46 : 471.12 = 236.43 : x
  2. Step 2: Convert to fraction form
    341.46/471.12 = 236.43/x
  3. Step 3: Cross multiply
    341.46x = 471.12 × 236.43
  4. Step 4: Simplify right side
    341.46x = 111,386.90
  5. Step 5: Solve for x
    x = 111,386.90/341.46
  6. Step 6: Final answer
    x = 326.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.