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Finding the Fourth Proportional to 358.94, 495.24 and 271.46

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Solution

The fourth proportional to 358.94, 495.24 and 271.46 is: 374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.94 : 495.24 = 271.46 : x
  2. Step 2: Convert to fraction form
    358.94/495.24 = 271.46/x
  3. Step 3: Cross multiply
    358.94x = 495.24 × 271.46
  4. Step 4: Simplify right side
    358.94x = 134,437.85
  5. Step 5: Solve for x
    x = 134,437.85/358.94
  6. Step 6: Final answer
    x = 374.54

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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.