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Finding the Fourth Proportional to 952.80, 1,426.77 and 844.26

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Solution

The fourth proportional to 952.80, 1,426.77 and 844.26 is: 1,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.80 : 1,426.77 = 844.26 : x
  2. Step 2: Convert to fraction form
    952.80/1,426.77 = 844.26/x
  3. Step 3: Cross multiply
    952.80x = 1,426.77 × 844.26
  4. Step 4: Simplify right side
    952.80x = 1,204,564.84
  5. Step 5: Solve for x
    x = 1,204,564.84/952.80
  6. Step 6: Final answer
    x = 1,264.24

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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.