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Finding the Fourth Proportional to 340.11, 468.68 and 236.43

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Solution

The fourth proportional to 340.11, 468.68 and 236.43 is: 325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.11 : 468.68 = 236.43 : x
  2. Step 2: Convert to fraction form
    340.11/468.68 = 236.43/x
  3. Step 3: Cross multiply
    340.11x = 468.68 × 236.43
  4. Step 4: Simplify right side
    340.11x = 110,808.83
  5. Step 5: Solve for x
    x = 110,808.83/340.11
  6. Step 6: Final answer
    x = 325.80

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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.