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Finding the Fourth Proportional to 503.37, 692.82 and 484.74

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Solution

The fourth proportional to 503.37, 692.82 and 484.74 is: 667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.37 : 692.82 = 484.74 : x
  2. Step 2: Convert to fraction form
    503.37/692.82 = 484.74/x
  3. Step 3: Cross multiply
    503.37x = 692.82 × 484.74
  4. Step 4: Simplify right side
    503.37x = 335,837.57
  5. Step 5: Solve for x
    x = 335,837.57/503.37
  6. Step 6: Final answer
    x = 667.18

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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.