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Finding the Fourth Proportional to 701.96, 969.06 and 481

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Solution

The fourth proportional to 701.96, 969.06 and 481 is: 664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.96 : 969.06 = 481 : x
  2. Step 2: Convert to fraction form
    701.96/969.06 = 481/x
  3. Step 3: Cross multiply
    701.96x = 969.06 × 481
  4. Step 4: Simplify right side
    701.96x = 466,117.86
  5. Step 5: Solve for x
    x = 466,117.86/701.96
  6. Step 6: Final answer
    x = 664.02

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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.