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Finding the Fourth Proportional to 303,781.30, 418,985.22 and 182,796.46

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Solution

The fourth proportional to 303,781.30, 418,985.22 and 182,796.46 is: 252,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,781.30 : 418,985.22 = 182,796.46 : x
  2. Step 2: Convert to fraction form
    303,781.30/418,985.22 = 182,796.46/x
  3. Step 3: Cross multiply
    303,781.30x = 418,985.22 × 182,796.46
  4. Step 4: Simplify right side
    303,781.30x = 76,589,015,008.32
  5. Step 5: Solve for x
    x = 76,589,015,008.32/303,781.30
  6. Step 6: Final answer
    x = 252,118.93

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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.