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Finding the Fourth Proportional to 361.53, 498.63 and 237.18

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Solution

The fourth proportional to 361.53, 498.63 and 237.18 is: 327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.53 : 498.63 = 237.18 : x
  2. Step 2: Convert to fraction form
    361.53/498.63 = 237.18/x
  3. Step 3: Cross multiply
    361.53x = 498.63 × 237.18
  4. Step 4: Simplify right side
    361.53x = 118,265.06
  5. Step 5: Solve for x
    x = 118,265.06/361.53
  6. Step 6: Final answer
    x = 327.12

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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.