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Finding the Fourth Proportional to 484,065.18, 667,958.81 and 269,170.56

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Solution

The fourth proportional to 484,065.18, 667,958.81 and 269,170.56 is: 371,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,065.18 : 667,958.81 = 269,170.56 : x
  2. Step 2: Convert to fraction form
    484,065.18/667,958.81 = 269,170.56/x
  3. Step 3: Cross multiply
    484,065.18x = 667,958.81 × 269,170.56
  4. Step 4: Simplify right side
    484,065.18x = 179,794,845,598.78
  5. Step 5: Solve for x
    x = 179,794,845,598.78/484,065.18
  6. Step 6: Final answer
    x = 371,426.93

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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.