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Finding the Fourth Proportional to 361.17, 498.17 and 250.50

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Solution

The fourth proportional to 361.17, 498.17 and 250.50 is: 345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.17 : 498.17 = 250.50 : x
  2. Step 2: Convert to fraction form
    361.17/498.17 = 250.50/x
  3. Step 3: Cross multiply
    361.17x = 498.17 × 250.50
  4. Step 4: Simplify right side
    361.17x = 124,790.33
  5. Step 5: Solve for x
    x = 124,790.33/361.17
  6. Step 6: Final answer
    x = 345.52

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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.