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Finding the Fourth Proportional to 293.31, 404.17 and 292.17

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Solution

The fourth proportional to 293.31, 404.17 and 292.17 is: 402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.31 : 404.17 = 292.17 : x
  2. Step 2: Convert to fraction form
    293.31/404.17 = 292.17/x
  3. Step 3: Cross multiply
    293.31x = 404.17 × 292.17
  4. Step 4: Simplify right side
    293.31x = 118,086.35
  5. Step 5: Solve for x
    x = 118,086.35/293.31
  6. Step 6: Final answer
    x = 402.60

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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.