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Finding the Fourth Proportional to 366,906.55, 550,359.83 and 130,273.15

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Solution

The fourth proportional to 366,906.55, 550,359.83 and 130,273.15 is: 195,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,906.55 : 550,359.83 = 130,273.15 : x
  2. Step 2: Convert to fraction form
    366,906.55/550,359.83 = 130,273.15/x
  3. Step 3: Cross multiply
    366,906.55x = 550,359.83 × 130,273.15
  4. Step 4: Simplify right side
    366,906.55x = 71,697,108,687.56
  5. Step 5: Solve for x
    x = 71,697,108,687.56/366,906.55
  6. Step 6: Final answer
    x = 195,409.73

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1.5x scale

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.