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Finding the Fourth Proportional to 363.87, 501.84 and 298.26

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Solution

The fourth proportional to 363.87, 501.84 and 298.26 is: 411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.87 : 501.84 = 298.26 : x
  2. Step 2: Convert to fraction form
    363.87/501.84 = 298.26/x
  3. Step 3: Cross multiply
    363.87x = 501.84 × 298.26
  4. Step 4: Simplify right side
    363.87x = 149,678.80
  5. Step 5: Solve for x
    x = 149,678.80/363.87
  6. Step 6: Final answer
    x = 411.35

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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.