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Finding the Fourth Proportional to 766.84, 1,151.18 and 377.44

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Solution

The fourth proportional to 766.84, 1,151.18 and 377.44 is: 566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    766.84 : 1,151.18 = 377.44 : x
  2. Step 2: Convert to fraction form
    766.84/1,151.18 = 377.44/x
  3. Step 3: Cross multiply
    766.84x = 1,151.18 × 377.44
  4. Step 4: Simplify right side
    766.84x = 434,501.38
  5. Step 5: Solve for x
    x = 434,501.38/766.84
  6. Step 6: Final answer
    x = 566.61

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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.