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Finding the Fourth Proportional to 247,403.52, 341,191.44 and 209,243.07

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Solution

The fourth proportional to 247,403.52, 341,191.44 and 209,243.07 is: 288,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,403.52 : 341,191.44 = 209,243.07 : x
  2. Step 2: Convert to fraction form
    247,403.52/341,191.44 = 209,243.07/x
  3. Step 3: Cross multiply
    247,403.52x = 341,191.44 × 209,243.07
  4. Step 4: Simplify right side
    247,403.52x = 71,391,944,363.32
  5. Step 5: Solve for x
    x = 71,391,944,363.32/247,403.52
  6. Step 6: Final answer
    x = 288,564.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.