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Finding the Fourth Proportional to 334.84, 502.27 and 91.37

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Solution

The fourth proportional to 334.84, 502.27 and 91.37 is: 137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.84 : 502.27 = 91.37 : x
  2. Step 2: Convert to fraction form
    334.84/502.27 = 91.37/x
  3. Step 3: Cross multiply
    334.84x = 502.27 × 91.37
  4. Step 4: Simplify right side
    334.84x = 45,892.41
  5. Step 5: Solve for x
    x = 45,892.41/334.84
  6. Step 6: Final answer
    x = 137.06

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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.