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Finding the Fourth Proportional to 468.30, 701.73 and 251.22

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Solution

The fourth proportional to 468.30, 701.73 and 251.22 is: 376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.30 : 701.73 = 251.22 : x
  2. Step 2: Convert to fraction form
    468.30/701.73 = 251.22/x
  3. Step 3: Cross multiply
    468.30x = 701.73 × 251.22
  4. Step 4: Simplify right side
    468.30x = 176,288.61
  5. Step 5: Solve for x
    x = 176,288.61/468.30
  6. Step 6: Final answer
    x = 376.44

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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.