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Finding the Fourth Proportional to 692.04, 955.02 and 496.44

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Solution

The fourth proportional to 692.04, 955.02 and 496.44 is: 685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.04 : 955.02 = 496.44 : x
  2. Step 2: Convert to fraction form
    692.04/955.02 = 496.44/x
  3. Step 3: Cross multiply
    692.04x = 955.02 × 496.44
  4. Step 4: Simplify right side
    692.04x = 474,110.13
  5. Step 5: Solve for x
    x = 474,110.13/692.04
  6. Step 6: Final answer
    x = 685.09

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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.