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Finding the Fourth Proportional to 203,249.39, 304,809.50 and 189,981.83

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Solution

The fourth proportional to 203,249.39, 304,809.50 and 189,981.83 is: 284,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,249.39 : 304,809.50 = 189,981.83 : x
  2. Step 2: Convert to fraction form
    203,249.39/304,809.50 = 189,981.83/x
  3. Step 3: Cross multiply
    203,249.39x = 304,809.50 × 189,981.83
  4. Step 4: Simplify right side
    203,249.39x = 57,908,266,611.39
  5. Step 5: Solve for x
    x = 57,908,266,611.39/203,249.39
  6. Step 6: Final answer
    x = 284,912.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.