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Finding the Fourth Proportional to 968.52, 1,450.98 and 656.02

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Solution

The fourth proportional to 968.52, 1,450.98 and 656.02 is: 982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.52 : 1,450.98 = 656.02 : x
  2. Step 2: Convert to fraction form
    968.52/1,450.98 = 656.02/x
  3. Step 3: Cross multiply
    968.52x = 1,450.98 × 656.02
  4. Step 4: Simplify right side
    968.52x = 951,873.71
  5. Step 5: Solve for x
    x = 951,873.71/968.52
  6. Step 6: Final answer
    x = 982.81

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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.