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Finding the Fourth Proportional to 363,781.98, 501,999.66 and 200,433.42

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Solution

The fourth proportional to 363,781.98, 501,999.66 and 200,433.42 is: 276,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,781.98 : 501,999.66 = 200,433.42 : x
  2. Step 2: Convert to fraction form
    363,781.98/501,999.66 = 200,433.42/x
  3. Step 3: Cross multiply
    363,781.98x = 501,999.66 × 200,433.42
  4. Step 4: Simplify right side
    363,781.98x = 100,617,508,692.64
  5. Step 5: Solve for x
    x = 100,617,508,692.64/363,781.98
  6. Step 6: Final answer
    x = 276,587.39

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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.