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Finding the Fourth Proportional to 363,451.70, 501,487.31 and 220,184.06

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Solution

The fourth proportional to 363,451.70, 501,487.31 and 220,184.06 is: 303,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,451.70 : 501,487.31 = 220,184.06 : x
  2. Step 2: Convert to fraction form
    363,451.70/501,487.31 = 220,184.06/x
  3. Step 3: Cross multiply
    363,451.70x = 501,487.31 × 220,184.06
  4. Step 4: Simplify right side
    363,451.70x = 110,419,511,954.28
  5. Step 5: Solve for x
    x = 110,419,511,954.28/363,451.70
  6. Step 6: Final answer
    x = 303,807.94

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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.