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Finding the Fourth Proportional to 468.91, 703.59 and 252.46

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Solution

The fourth proportional to 468.91, 703.59 and 252.46 is: 378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.91 : 703.59 = 252.46 : x
  2. Step 2: Convert to fraction form
    468.91/703.59 = 252.46/x
  3. Step 3: Cross multiply
    468.91x = 703.59 × 252.46
  4. Step 4: Simplify right side
    468.91x = 177,628.33
  5. Step 5: Solve for x
    x = 177,628.33/468.91
  6. Step 6: Final answer
    x = 378.81

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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.