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Finding the Fourth Proportional to 203,611.55, 303,764.03 and 192,589.07

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Solution

The fourth proportional to 203,611.55, 303,764.03 and 192,589.07 is: 287,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,611.55 : 303,764.03 = 192,589.07 : x
  2. Step 2: Convert to fraction form
    203,611.55/303,764.03 = 192,589.07/x
  3. Step 3: Cross multiply
    203,611.55x = 303,764.03 × 192,589.07
  4. Step 4: Simplify right side
    203,611.55x = 58,501,629,555.39
  5. Step 5: Solve for x
    x = 58,501,629,555.39/203,611.55
  6. Step 6: Final answer
    x = 287,319.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.