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Finding the Fourth Proportional to 338.51, 466.67 and 240.23

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Solution

The fourth proportional to 338.51, 466.67 and 240.23 is: 331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.51 : 466.67 = 240.23 : x
  2. Step 2: Convert to fraction form
    338.51/466.67 = 240.23/x
  3. Step 3: Cross multiply
    338.51x = 466.67 × 240.23
  4. Step 4: Simplify right side
    338.51x = 112,106.93
  5. Step 5: Solve for x
    x = 112,106.93/338.51
  6. Step 6: Final answer
    x = 331.18

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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.