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Finding the Fourth Proportional to 366,812.20, 550,218.30 and 303,826.60

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Solution

The fourth proportional to 366,812.20, 550,218.30 and 303,826.60 is: 455,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,812.20 : 550,218.30 = 303,826.60 : x
  2. Step 2: Convert to fraction form
    366,812.20/550,218.30 = 303,826.60/x
  3. Step 3: Cross multiply
    366,812.20x = 550,218.30 × 303,826.60
  4. Step 4: Simplify right side
    366,812.20x = 167,170,955,346.78
  5. Step 5: Solve for x
    x = 167,170,955,346.78/366,812.20
  6. Step 6: Final answer
    x = 455,739.90

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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.