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Finding the Fourth Proportional to 335.24, 502.18 and 325.52

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Solution

The fourth proportional to 335.24, 502.18 and 325.52 is: 487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.24 : 502.18 = 325.52 : x
  2. Step 2: Convert to fraction form
    335.24/502.18 = 325.52/x
  3. Step 3: Cross multiply
    335.24x = 502.18 × 325.52
  4. Step 4: Simplify right side
    335.24x = 163,469.63
  5. Step 5: Solve for x
    x = 163,469.63/335.24
  6. Step 6: Final answer
    x = 487.62

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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.