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Finding the Fourth Proportional to 335.27, 502.81 and 104.04

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Solution

The fourth proportional to 335.27, 502.81 and 104.04 is: 156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.27 : 502.81 = 104.04 : x
  2. Step 2: Convert to fraction form
    335.27/502.81 = 104.04/x
  3. Step 3: Cross multiply
    335.27x = 502.81 × 104.04
  4. Step 4: Simplify right side
    335.27x = 52,312.09
  5. Step 5: Solve for x
    x = 52,312.09/335.27
  6. Step 6: Final answer
    x = 156.03

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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.