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Finding the Fourth Proportional to 692.94, 956.27 and 382.44

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Solution

The fourth proportional to 692.94, 956.27 and 382.44 is: 527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.94 : 956.27 = 382.44 : x
  2. Step 2: Convert to fraction form
    692.94/956.27 = 382.44/x
  3. Step 3: Cross multiply
    692.94x = 956.27 × 382.44
  4. Step 4: Simplify right side
    692.94x = 365,713.99
  5. Step 5: Solve for x
    x = 365,713.99/692.94
  6. Step 6: Final answer
    x = 527.77

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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.