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Finding the Fourth Proportional to 692.97, 956.73 and 535.29

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Solution

The fourth proportional to 692.97, 956.73 and 535.29 is: 739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.97 : 956.73 = 535.29 : x
  2. Step 2: Convert to fraction form
    692.97/956.73 = 535.29/x
  3. Step 3: Cross multiply
    692.97x = 956.73 × 535.29
  4. Step 4: Simplify right side
    692.97x = 512,128.00
  5. Step 5: Solve for x
    x = 512,128.00/692.97
  6. Step 6: Final answer
    x = 739.03

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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.