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Finding the Fourth Proportional to 696.73, 961.07 and 460.68

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Solution

The fourth proportional to 696.73, 961.07 and 460.68 is: 635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.73 : 961.07 = 460.68 : x
  2. Step 2: Convert to fraction form
    696.73/961.07 = 460.68/x
  3. Step 3: Cross multiply
    696.73x = 961.07 × 460.68
  4. Step 4: Simplify right side
    696.73x = 442,743.42
  5. Step 5: Solve for x
    x = 442,743.42/696.73
  6. Step 6: Final answer
    x = 635.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.