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Finding the Fourth Proportional to 692.44, 952.77 and 676.03

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Solution

The fourth proportional to 692.44, 952.77 and 676.03 is: 930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.44 : 952.77 = 676.03 : x
  2. Step 2: Convert to fraction form
    692.44/952.77 = 676.03/x
  3. Step 3: Cross multiply
    692.44x = 952.77 × 676.03
  4. Step 4: Simplify right side
    692.44x = 644,101.10
  5. Step 5: Solve for x
    x = 644,101.10/692.44
  6. Step 6: Final answer
    x = 930.19

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1.5x scale

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.