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Finding the Fourth Proportional to 516.73, 713.13 and 295.67

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Solution

The fourth proportional to 516.73, 713.13 and 295.67 is: 408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.73 : 713.13 = 295.67 : x
  2. Step 2: Convert to fraction form
    516.73/713.13 = 295.67/x
  3. Step 3: Cross multiply
    516.73x = 713.13 × 295.67
  4. Step 4: Simplify right side
    516.73x = 210,851.15
  5. Step 5: Solve for x
    x = 210,851.15/516.73
  6. Step 6: Final answer
    x = 408.05

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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.