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Finding the Fourth Proportional to 968.36, 1,334.07 and 944.66

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Solution

The fourth proportional to 968.36, 1,334.07 and 944.66 is: 1,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.36 : 1,334.07 = 944.66 : x
  2. Step 2: Convert to fraction form
    968.36/1,334.07 = 944.66/x
  3. Step 3: Cross multiply
    968.36x = 1,334.07 × 944.66
  4. Step 4: Simplify right side
    968.36x = 1,260,245.90
  5. Step 5: Solve for x
    x = 1,260,245.90/968.36
  6. Step 6: Final answer
    x = 1,301.43

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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.