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Finding the Fourth Proportional to 692.29, 955.58 and 444.27

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Solution

The fourth proportional to 692.29, 955.58 and 444.27 is: 613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.29 : 955.58 = 444.27 : x
  2. Step 2: Convert to fraction form
    692.29/955.58 = 444.27/x
  3. Step 3: Cross multiply
    692.29x = 955.58 × 444.27
  4. Step 4: Simplify right side
    692.29x = 424,535.53
  5. Step 5: Solve for x
    x = 424,535.53/692.29
  6. Step 6: Final answer
    x = 613.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.