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Finding the Fourth Proportional to 327,179.94, 490,770.21 and 102,557.94

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Solution

The fourth proportional to 327,179.94, 490,770.21 and 102,557.94 is: 153,837.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,179.94 : 490,770.21 = 102,557.94 : x
  2. Step 2: Convert to fraction form
    327,179.94/490,770.21 = 102,557.94/x
  3. Step 3: Cross multiply
    327,179.94x = 490,770.21 × 102,557.94
  4. Step 4: Simplify right side
    327,179.94x = 50,332,381,750.97
  5. Step 5: Solve for x
    x = 50,332,381,750.97/327,179.94
  6. Step 6: Final answer
    x = 153,837.00

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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.