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Finding the Fourth Proportional to 516.63, 774.24 and 333.93

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Solution

The fourth proportional to 516.63, 774.24 and 333.93 is: 500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.63 : 774.24 = 333.93 : x
  2. Step 2: Convert to fraction form
    516.63/774.24 = 333.93/x
  3. Step 3: Cross multiply
    516.63x = 774.24 × 333.93
  4. Step 4: Simplify right side
    516.63x = 258,541.96
  5. Step 5: Solve for x
    x = 258,541.96/516.63
  6. Step 6: Final answer
    x = 500.44

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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.