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Finding the Fourth Proportional to 369.28, 552.67 and 304.27

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Solution

The fourth proportional to 369.28, 552.67 and 304.27 is: 455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.28 : 552.67 = 304.27 : x
  2. Step 2: Convert to fraction form
    369.28/552.67 = 304.27/x
  3. Step 3: Cross multiply
    369.28x = 552.67 × 304.27
  4. Step 4: Simplify right side
    369.28x = 168,160.90
  5. Step 5: Solve for x
    x = 168,160.90/369.28
  6. Step 6: Final answer
    x = 455.38

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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.