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Finding the Fourth Proportional to 606,877.20, 910,643.85 and 269,969.85

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Solution

The fourth proportional to 606,877.20, 910,643.85 and 269,969.85 is: 405,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,877.20 : 910,643.85 = 269,969.85 : x
  2. Step 2: Convert to fraction form
    606,877.20/910,643.85 = 269,969.85/x
  3. Step 3: Cross multiply
    606,877.20x = 910,643.85 × 269,969.85
  4. Step 4: Simplify right side
    606,877.20x = 245,846,383,587.92
  5. Step 5: Solve for x
    x = 245,846,383,587.92/606,877.20
  6. Step 6: Final answer
    x = 405,100.71

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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.