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Finding the Fourth Proportional to 244,429.30, 366,206.55 and 206,812.90

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Solution

The fourth proportional to 244,429.30, 366,206.55 and 206,812.90 is: 309,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,429.30 : 366,206.55 = 206,812.90 : x
  2. Step 2: Convert to fraction form
    244,429.30/366,206.55 = 206,812.90/x
  3. Step 3: Cross multiply
    244,429.30x = 366,206.55 × 206,812.90
  4. Step 4: Simplify right side
    244,429.30x = 75,736,238,604.50
  5. Step 5: Solve for x
    x = 75,736,238,604.50/244,429.30
  6. Step 6: Final answer
    x = 309,849.26

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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.