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Finding the Fourth Proportional to 244,445.80, 366,231.30 and 206,829.40

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Solution

The fourth proportional to 244,445.80, 366,231.30 and 206,829.40 is: 309,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,445.80 : 366,231.30 = 206,829.40 : x
  2. Step 2: Convert to fraction form
    244,445.80/366,231.30 = 206,829.40/x
  3. Step 3: Cross multiply
    244,445.80x = 366,231.30 × 206,829.40
  4. Step 4: Simplify right side
    244,445.80x = 75,747,400,040.22
  5. Step 5: Solve for x
    x = 75,747,400,040.22/244,445.80
  6. Step 6: Final answer
    x = 309,874.01

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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.