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Finding the Fourth Proportional to 944.32, 1,416.80 and 943.04

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Solution

The fourth proportional to 944.32, 1,416.80 and 943.04 is: 1,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.32 : 1,416.80 = 943.04 : x
  2. Step 2: Convert to fraction form
    944.32/1,416.80 = 943.04/x
  3. Step 3: Cross multiply
    944.32x = 1,416.80 × 943.04
  4. Step 4: Simplify right side
    944.32x = 1,336,099.07
  5. Step 5: Solve for x
    x = 1,336,099.07/944.32
  6. Step 6: Final answer
    x = 1,414.88

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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.