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Finding the Fourth Proportional to 336.75, 464.68 and 187.35

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Solution

The fourth proportional to 336.75, 464.68 and 187.35 is: 258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.75 : 464.68 = 187.35 : x
  2. Step 2: Convert to fraction form
    336.75/464.68 = 187.35/x
  3. Step 3: Cross multiply
    336.75x = 464.68 × 187.35
  4. Step 4: Simplify right side
    336.75x = 87,056.29
  5. Step 5: Solve for x
    x = 87,056.29/336.75
  6. Step 6: Final answer
    x = 258.52

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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.