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Finding the Fourth Proportional to 336.88, 464.90 and 187.52

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Solution

The fourth proportional to 336.88, 464.90 and 187.52 is: 258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.88 : 464.90 = 187.52 : x
  2. Step 2: Convert to fraction form
    336.88/464.90 = 187.52/x
  3. Step 3: Cross multiply
    336.88x = 464.90 × 187.52
  4. Step 4: Simplify right side
    336.88x = 87,175.72
  5. Step 5: Solve for x
    x = 87,175.72/336.88
  6. Step 6: Final answer
    x = 258.77

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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.