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Finding the Fourth Proportional to 944.45, 1,414.06 and 712.62

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Solution

The fourth proportional to 944.45, 1,414.06 and 712.62 is: 1,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.45 : 1,414.06 = 712.62 : x
  2. Step 2: Convert to fraction form
    944.45/1,414.06 = 712.62/x
  3. Step 3: Cross multiply
    944.45x = 1,414.06 × 712.62
  4. Step 4: Simplify right side
    944.45x = 1,007,685.66
  5. Step 5: Solve for x
    x = 1,007,685.66/944.45
  6. Step 6: Final answer
    x = 1,066.96

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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.