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Finding the Fourth Proportional to 244,210.80, 365,878.80 and 209,218.80

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Solution

The fourth proportional to 244,210.80, 365,878.80 and 209,218.80 is: 313,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,210.80 : 365,878.80 = 209,218.80 : x
  2. Step 2: Convert to fraction form
    244,210.80/365,878.80 = 209,218.80/x
  3. Step 3: Cross multiply
    244,210.80x = 365,878.80 × 209,218.80
  4. Step 4: Simplify right side
    244,210.80x = 76,548,723,481.44
  5. Step 5: Solve for x
    x = 76,548,723,481.44/244,210.80
  6. Step 6: Final answer
    x = 313,453.47

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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.