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Finding the Fourth Proportional to 336.11, 463.77 and 188.73

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Solution

The fourth proportional to 336.11, 463.77 and 188.73 is: 260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.11 : 463.77 = 188.73 : x
  2. Step 2: Convert to fraction form
    336.11/463.77 = 188.73/x
  3. Step 3: Cross multiply
    336.11x = 463.77 × 188.73
  4. Step 4: Simplify right side
    336.11x = 87,527.31
  5. Step 5: Solve for x
    x = 87,527.31/336.11
  6. Step 6: Final answer
    x = 260.42

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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.