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Finding the Fourth Proportional to 934.24, 1,401.96 and 626.44

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Solution

The fourth proportional to 934.24, 1,401.96 and 626.44 is: 940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.24 : 1,401.96 = 626.44 : x
  2. Step 2: Convert to fraction form
    934.24/1,401.96 = 626.44/x
  3. Step 3: Cross multiply
    934.24x = 1,401.96 × 626.44
  4. Step 4: Simplify right side
    934.24x = 878,243.82
  5. Step 5: Solve for x
    x = 878,243.82/934.24
  6. Step 6: Final answer
    x = 940.06

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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.