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Finding the Fourth Proportional to 944.97, 1,416.41 and 359.41

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Solution

The fourth proportional to 944.97, 1,416.41 and 359.41 is: 538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.97 : 1,416.41 = 359.41 : x
  2. Step 2: Convert to fraction form
    944.97/1,416.41 = 359.41/x
  3. Step 3: Cross multiply
    944.97x = 1,416.41 × 359.41
  4. Step 4: Simplify right side
    944.97x = 509,067.93
  5. Step 5: Solve for x
    x = 509,067.93/944.97
  6. Step 6: Final answer
    x = 538.71

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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.