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Finding the Fourth Proportional to 338,996.69, 467,781.36 and 203,027.15

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Solution

The fourth proportional to 338,996.69, 467,781.36 and 203,027.15 is: 280,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,996.69 : 467,781.36 = 203,027.15 : x
  2. Step 2: Convert to fraction form
    338,996.69/467,781.36 = 203,027.15/x
  3. Step 3: Cross multiply
    338,996.69x = 467,781.36 × 203,027.15
  4. Step 4: Simplify right side
    338,996.69x = 94,972,317,005.81
  5. Step 5: Solve for x
    x = 94,972,317,005.81/338,996.69
  6. Step 6: Final answer
    x = 280,157.06

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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.