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Finding the Fourth Proportional to 459.36, 633.96 and 326.82

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Solution

The fourth proportional to 459.36, 633.96 and 326.82 is: 451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.36 : 633.96 = 326.82 : x
  2. Step 2: Convert to fraction form
    459.36/633.96 = 326.82/x
  3. Step 3: Cross multiply
    459.36x = 633.96 × 326.82
  4. Step 4: Simplify right side
    459.36x = 207,190.81
  5. Step 5: Solve for x
    x = 207,190.81/459.36
  6. Step 6: Final answer
    x = 451.04

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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.