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Finding the Fourth Proportional to 335.34, 502.59 and 191.14

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Solution

The fourth proportional to 335.34, 502.59 and 191.14 is: 286.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.34 : 502.59 = 191.14 : x
  2. Step 2: Convert to fraction form
    335.34/502.59 = 191.14/x
  3. Step 3: Cross multiply
    335.34x = 502.59 × 191.14
  4. Step 4: Simplify right side
    335.34x = 96,065.05
  5. Step 5: Solve for x
    x = 96,065.05/335.34
  6. Step 6: Final answer
    x = 286.47

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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.