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Finding the Fourth Proportional to 361.76, 498.96 and 237.55

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Solution

The fourth proportional to 361.76, 498.96 and 237.55 is: 327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.76 : 498.96 = 237.55 : x
  2. Step 2: Convert to fraction form
    361.76/498.96 = 237.55/x
  3. Step 3: Cross multiply
    361.76x = 498.96 × 237.55
  4. Step 4: Simplify right side
    361.76x = 118,526.70
  5. Step 5: Solve for x
    x = 118,526.70/361.76
  6. Step 6: Final answer
    x = 327.64

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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.