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Finding the Fourth Proportional to 363.98, 501.81 and 293.96

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Solution

The fourth proportional to 363.98, 501.81 and 293.96 is: 405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.98 : 501.81 = 293.96 : x
  2. Step 2: Convert to fraction form
    363.98/501.81 = 293.96/x
  3. Step 3: Cross multiply
    363.98x = 501.81 × 293.96
  4. Step 4: Simplify right side
    363.98x = 147,512.07
  5. Step 5: Solve for x
    x = 147,512.07/363.98
  6. Step 6: Final answer
    x = 405.28

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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.