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Finding the Fourth Proportional to 484,625.80, 668,776.44 and 269,765.56

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Solution

The fourth proportional to 484,625.80, 668,776.44 and 269,765.56 is: 372,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,625.80 : 668,776.44 = 269,765.56 : x
  2. Step 2: Convert to fraction form
    484,625.80/668,776.44 = 269,765.56/x
  3. Step 3: Cross multiply
    484,625.80x = 668,776.44 × 269,765.56
  4. Step 4: Simplify right side
    484,625.80x = 180,412,850,851.41
  5. Step 5: Solve for x
    x = 180,412,850,851.41/484,625.80
  6. Step 6: Final answer
    x = 372,272.48

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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.