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Finding the Fourth Proportional to 335.97, 503.14 and 191.25

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Solution

The fourth proportional to 335.97, 503.14 and 191.25 is: 286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.97 : 503.14 = 191.25 : x
  2. Step 2: Convert to fraction form
    335.97/503.14 = 191.25/x
  3. Step 3: Cross multiply
    335.97x = 503.14 × 191.25
  4. Step 4: Simplify right side
    335.97x = 96,222.53
  5. Step 5: Solve for x
    x = 96,222.53/335.97
  6. Step 6: Final answer
    x = 286.41

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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.