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Finding the Fourth Proportional to 483.10, 723.97 and 251.53

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Solution

The fourth proportional to 483.10, 723.97 and 251.53 is: 376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.10 : 723.97 = 251.53 : x
  2. Step 2: Convert to fraction form
    483.10/723.97 = 251.53/x
  3. Step 3: Cross multiply
    483.10x = 723.97 × 251.53
  4. Step 4: Simplify right side
    483.10x = 182,098.68
  5. Step 5: Solve for x
    x = 182,098.68/483.10
  6. Step 6: Final answer
    x = 376.94

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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.