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Finding the Fourth Proportional to 363.96, 501.82 and 307.84

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Solution

The fourth proportional to 363.96, 501.82 and 307.84 is: 424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.96 : 501.82 = 307.84 : x
  2. Step 2: Convert to fraction form
    363.96/501.82 = 307.84/x
  3. Step 3: Cross multiply
    363.96x = 501.82 × 307.84
  4. Step 4: Simplify right side
    363.96x = 154,480.27
  5. Step 5: Solve for x
    x = 154,480.27/363.96
  6. Step 6: Final answer
    x = 424.44

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