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Finding the Fourth Proportional to 701.92, 968.10 and 465.44

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Solution

The fourth proportional to 701.92, 968.10 and 465.44 is: 641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.92 : 968.10 = 465.44 : x
  2. Step 2: Convert to fraction form
    701.92/968.10 = 465.44/x
  3. Step 3: Cross multiply
    701.92x = 968.10 × 465.44
  4. Step 4: Simplify right side
    701.92x = 450,592.46
  5. Step 5: Solve for x
    x = 450,592.46/701.92
  6. Step 6: Final answer
    x = 641.94

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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.