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Finding the Fourth Proportional to 502.44, 693.28 and 292.62

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Solution

The fourth proportional to 502.44, 693.28 and 292.62 is: 403.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.44 : 693.28 = 292.62 : x
  2. Step 2: Convert to fraction form
    502.44/693.28 = 292.62/x
  3. Step 3: Cross multiply
    502.44x = 693.28 × 292.62
  4. Step 4: Simplify right side
    502.44x = 202,867.59
  5. Step 5: Solve for x
    x = 202,867.59/502.44
  6. Step 6: Final answer
    x = 403.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.