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Finding the Fourth Proportional to 496.55, 744.83 and 203.84

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Solution

The fourth proportional to 496.55, 744.83 and 203.84 is: 305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.55 : 744.83 = 203.84 : x
  2. Step 2: Convert to fraction form
    496.55/744.83 = 203.84/x
  3. Step 3: Cross multiply
    496.55x = 744.83 × 203.84
  4. Step 4: Simplify right side
    496.55x = 151,826.99
  5. Step 5: Solve for x
    x = 151,826.99/496.55
  6. Step 6: Final answer
    x = 305.76

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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.