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Finding the Fourth Proportional to 633.77, 950.65 and 268.56

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Solution

The fourth proportional to 633.77, 950.65 and 268.56 is: 402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.77 : 950.65 = 268.56 : x
  2. Step 2: Convert to fraction form
    633.77/950.65 = 268.56/x
  3. Step 3: Cross multiply
    633.77x = 950.65 × 268.56
  4. Step 4: Simplify right side
    633.77x = 255,301.81
  5. Step 5: Solve for x
    x = 255,301.81/633.77
  6. Step 6: Final answer
    x = 402.83

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