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Finding the Fourth Proportional to 599,972.86, 900,209.31 and 263,255.59

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Solution

The fourth proportional to 599,972.86, 900,209.31 and 263,255.59 is: 394,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,972.86 : 900,209.31 = 263,255.59 : x
  2. Step 2: Convert to fraction form
    599,972.86/900,209.31 = 263,255.59/x
  3. Step 3: Cross multiply
    599,972.86x = 900,209.31 × 263,255.59
  4. Step 4: Simplify right side
    599,972.86x = 236,985,133,027.54
  5. Step 5: Solve for x
    x = 236,985,133,027.54/599,972.86
  6. Step 6: Final answer
    x = 394,993.09

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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.