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Finding the Fourth Proportional to 271.78, 374.46 and 184.30

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Solution

The fourth proportional to 271.78, 374.46 and 184.30 is: 253.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.78 : 374.46 = 184.30 : x
  2. Step 2: Convert to fraction form
    271.78/374.46 = 184.30/x
  3. Step 3: Cross multiply
    271.78x = 374.46 × 184.30
  4. Step 4: Simplify right side
    271.78x = 69,012.98
  5. Step 5: Solve for x
    x = 69,012.98/271.78
  6. Step 6: Final answer
    x = 253.93

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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.