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Finding the Fourth Proportional to 692.03, 955.55 and 534.44

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Solution

The fourth proportional to 692.03, 955.55 and 534.44 is: 737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.03 : 955.55 = 534.44 : x
  2. Step 2: Convert to fraction form
    692.03/955.55 = 534.44/x
  3. Step 3: Cross multiply
    692.03x = 955.55 × 534.44
  4. Step 4: Simplify right side
    692.03x = 510,676.69
  5. Step 5: Solve for x
    x = 510,676.69/692.03
  6. Step 6: Final answer
    x = 737.95

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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.