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Finding the Fourth Proportional to 303.98, 455.15 and 182.07

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Solution

The fourth proportional to 303.98, 455.15 and 182.07 is: 272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.98 : 455.15 = 182.07 : x
  2. Step 2: Convert to fraction form
    303.98/455.15 = 182.07/x
  3. Step 3: Cross multiply
    303.98x = 455.15 × 182.07
  4. Step 4: Simplify right side
    303.98x = 82,869.62
  5. Step 5: Solve for x
    x = 82,869.62/303.98
  6. Step 6: Final answer
    x = 272.62

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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.