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Finding the Fourth Proportional to 341.41, 470.60 and 236.65

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Solution

The fourth proportional to 341.41, 470.60 and 236.65 is: 326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.41 : 470.60 = 236.65 : x
  2. Step 2: Convert to fraction form
    341.41/470.60 = 236.65/x
  3. Step 3: Cross multiply
    341.41x = 470.60 × 236.65
  4. Step 4: Simplify right side
    341.41x = 111,366.31
  5. Step 5: Solve for x
    x = 111,366.31/341.41
  6. Step 6: Final answer
    x = 326.20

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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.