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Finding the Fourth Proportional to 373.26, 514.68 and 273.22

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Solution

The fourth proportional to 373.26, 514.68 and 273.22 is: 376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.26 : 514.68 = 273.22 : x
  2. Step 2: Convert to fraction form
    373.26/514.68 = 273.22/x
  3. Step 3: Cross multiply
    373.26x = 514.68 × 273.22
  4. Step 4: Simplify right side
    373.26x = 140,620.87
  5. Step 5: Solve for x
    x = 140,620.87/373.26
  6. Step 6: Final answer
    x = 376.74

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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.