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Finding the Fourth Proportional to 959.27, 1,435.81 and 496.41

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Solution

The fourth proportional to 959.27, 1,435.81 and 496.41 is: 743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.27 : 1,435.81 = 496.41 : x
  2. Step 2: Convert to fraction form
    959.27/1,435.81 = 496.41/x
  3. Step 3: Cross multiply
    959.27x = 1,435.81 × 496.41
  4. Step 4: Simplify right side
    959.27x = 712,754.03
  5. Step 5: Solve for x
    x = 712,754.03/959.27
  6. Step 6: Final answer
    x = 743.02

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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.