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Finding the Fourth Proportional to 692.89, 955.94 and 444.34

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Solution

The fourth proportional to 692.89, 955.94 and 444.34 is: 613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.89 : 955.94 = 444.34 : x
  2. Step 2: Convert to fraction form
    692.89/955.94 = 444.34/x
  3. Step 3: Cross multiply
    692.89x = 955.94 × 444.34
  4. Step 4: Simplify right side
    692.89x = 424,760.16
  5. Step 5: Solve for x
    x = 424,760.16/692.89
  6. Step 6: Final answer
    x = 613.03

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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.