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Finding the Fourth Proportional to 361.17, 540.73 and 296.93

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Solution

The fourth proportional to 361.17, 540.73 and 296.93 is: 444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.17 : 540.73 = 296.93 : x
  2. Step 2: Convert to fraction form
    361.17/540.73 = 296.93/x
  3. Step 3: Cross multiply
    361.17x = 540.73 × 296.93
  4. Step 4: Simplify right side
    361.17x = 160,558.96
  5. Step 5: Solve for x
    x = 160,558.96/361.17
  6. Step 6: Final answer
    x = 444.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.