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Finding the Fourth Proportional to 373.93, 516.17 and 263.46

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Solution

The fourth proportional to 373.93, 516.17 and 263.46 is: 363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.93 : 516.17 = 263.46 : x
  2. Step 2: Convert to fraction form
    373.93/516.17 = 263.46/x
  3. Step 3: Cross multiply
    373.93x = 516.17 × 263.46
  4. Step 4: Simplify right side
    373.93x = 135,990.15
  5. Step 5: Solve for x
    x = 135,990.15/373.93
  6. Step 6: Final answer
    x = 363.68

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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.