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Finding the Fourth Proportional to 374.46, 516.66 and 250.14

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Solution

The fourth proportional to 374.46, 516.66 and 250.14 is: 345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.46 : 516.66 = 250.14 : x
  2. Step 2: Convert to fraction form
    374.46/516.66 = 250.14/x
  3. Step 3: Cross multiply
    374.46x = 516.66 × 250.14
  4. Step 4: Simplify right side
    374.46x = 129,237.33
  5. Step 5: Solve for x
    x = 129,237.33/374.46
  6. Step 6: Final answer
    x = 345.13

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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.