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Finding the Fourth Proportional to 268,942.86, 404,102.79 and 203,004

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Solution

The fourth proportional to 268,942.86, 404,102.79 and 203,004 is: 305,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,942.86 : 404,102.79 = 203,004 : x
  2. Step 2: Convert to fraction form
    268,942.86/404,102.79 = 203,004/x
  3. Step 3: Cross multiply
    268,942.86x = 404,102.79 × 203,004
  4. Step 4: Simplify right side
    268,942.86x = 82,034,482,781.16
  5. Step 5: Solve for x
    x = 82,034,482,781.16/268,942.86
  6. Step 6: Final answer
    x = 305,025.69

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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.