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Finding the Fourth Proportional to 464.96, 697.22 and 248.48

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Solution

The fourth proportional to 464.96, 697.22 and 248.48 is: 372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.96 : 697.22 = 248.48 : x
  2. Step 2: Convert to fraction form
    464.96/697.22 = 248.48/x
  3. Step 3: Cross multiply
    464.96x = 697.22 × 248.48
  4. Step 4: Simplify right side
    464.96x = 173,245.23
  5. Step 5: Solve for x
    x = 173,245.23/464.96
  6. Step 6: Final answer
    x = 372.60

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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.