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Finding the Fourth Proportional to 336.63, 464.56 and 187.27

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Solution

The fourth proportional to 336.63, 464.56 and 187.27 is: 258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.63 : 464.56 = 187.27 : x
  2. Step 2: Convert to fraction form
    336.63/464.56 = 187.27/x
  3. Step 3: Cross multiply
    336.63x = 464.56 × 187.27
  4. Step 4: Simplify right side
    336.63x = 86,994.92
  5. Step 5: Solve for x
    x = 86,994.92/336.63
  6. Step 6: Final answer
    x = 258.43

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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.