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Finding the Fourth Proportional to 516.14, 774.04 and 150.94

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Solution

The fourth proportional to 516.14, 774.04 and 150.94 is: 226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.14 : 774.04 = 150.94 : x
  2. Step 2: Convert to fraction form
    516.14/774.04 = 150.94/x
  3. Step 3: Cross multiply
    516.14x = 774.04 × 150.94
  4. Step 4: Simplify right side
    516.14x = 116,833.60
  5. Step 5: Solve for x
    x = 116,833.60/516.14
  6. Step 6: Final answer
    x = 226.36

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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.