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Finding the Fourth Proportional to 484,481.79, 668,579.67 and 269,618.22

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Solution

The fourth proportional to 484,481.79, 668,579.67 and 269,618.22 is: 372,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,481.79 : 668,579.67 = 269,618.22 : x
  2. Step 2: Convert to fraction form
    484,481.79/668,579.67 = 269,618.22/x
  3. Step 3: Cross multiply
    484,481.79x = 668,579.67 × 269,618.22
  4. Step 4: Simplify right side
    484,481.79x = 180,261,260,553.59
  5. Step 5: Solve for x
    x = 180,261,260,553.59/484,481.79
  6. Step 6: Final answer
    x = 372,070.25

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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.