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Finding the Fourth Proportional to 366,770.12, 550,344.70 and 156,351.56

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Solution

The fourth proportional to 366,770.12, 550,344.70 and 156,351.56 is: 234,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,770.12 : 550,344.70 = 156,351.56 : x
  2. Step 2: Convert to fraction form
    366,770.12/550,344.70 = 156,351.56/x
  3. Step 3: Cross multiply
    366,770.12x = 550,344.70 × 156,351.56
  4. Step 4: Simplify right side
    366,770.12x = 86,047,252,382.73
  5. Step 5: Solve for x
    x = 86,047,252,382.73/366,770.12
  6. Step 6: Final answer
    x = 234,608.13

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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.