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Finding the Fourth Proportional to 482.44, 723.20 and 251.32

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Solution

The fourth proportional to 482.44, 723.20 and 251.32 is: 376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.44 : 723.20 = 251.32 : x
  2. Step 2: Convert to fraction form
    482.44/723.20 = 251.32/x
  3. Step 3: Cross multiply
    482.44x = 723.20 × 251.32
  4. Step 4: Simplify right side
    482.44x = 181,754.62
  5. Step 5: Solve for x
    x = 181,754.62/482.44
  6. Step 6: Final answer
    x = 376.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.