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Finding the Fourth Proportional to 516.16, 774 and 150.94

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Solution

The fourth proportional to 516.16, 774 and 150.94 is: 226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.16 : 774 = 150.94 : x
  2. Step 2: Convert to fraction form
    516.16/774 = 150.94/x
  3. Step 3: Cross multiply
    516.16x = 774 × 150.94
  4. Step 4: Simplify right side
    516.16x = 116,827.56
  5. Step 5: Solve for x
    x = 116,827.56/516.16
  6. Step 6: Final answer
    x = 226.34

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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.