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Finding the Fourth Proportional to 335.78, 463.52 and 237.58

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Solution

The fourth proportional to 335.78, 463.52 and 237.58 is: 327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.78 : 463.52 = 237.58 : x
  2. Step 2: Convert to fraction form
    335.78/463.52 = 237.58/x
  3. Step 3: Cross multiply
    335.78x = 463.52 × 237.58
  4. Step 4: Simplify right side
    335.78x = 110,123.08
  5. Step 5: Solve for x
    x = 110,123.08/335.78
  6. Step 6: Final answer
    x = 327.96

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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.