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Finding the Fourth Proportional to 496.83, 744.22 and 236.45

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Solution

The fourth proportional to 496.83, 744.22 and 236.45 is: 354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.83 : 744.22 = 236.45 : x
  2. Step 2: Convert to fraction form
    496.83/744.22 = 236.45/x
  3. Step 3: Cross multiply
    496.83x = 744.22 × 236.45
  4. Step 4: Simplify right side
    496.83x = 175,972.98
  5. Step 5: Solve for x
    x = 175,972.98/496.83
  6. Step 6: Final answer
    x = 354.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.