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Finding the Fourth Proportional to 320.96, 443.04 and 183.04

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Solution

The fourth proportional to 320.96, 443.04 and 183.04 is: 252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    320.96 : 443.04 = 183.04 : x
  2. Step 2: Convert to fraction form
    320.96/443.04 = 183.04/x
  3. Step 3: Cross multiply
    320.96x = 443.04 × 183.04
  4. Step 4: Simplify right side
    320.96x = 81,094.04
  5. Step 5: Solve for x
    x = 81,094.04/320.96
  6. Step 6: Final answer
    x = 252.66

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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.