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Finding the Fourth Proportional to 338.04, 466.49 and 190.69

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Solution

The fourth proportional to 338.04, 466.49 and 190.69 is: 263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.04 : 466.49 = 190.69 : x
  2. Step 2: Convert to fraction form
    338.04/466.49 = 190.69/x
  3. Step 3: Cross multiply
    338.04x = 466.49 × 190.69
  4. Step 4: Simplify right side
    338.04x = 88,954.29
  5. Step 5: Solve for x
    x = 88,954.29/338.04
  6. Step 6: Final answer
    x = 263.15

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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.