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Finding the Fourth Proportional to 484,041.93, 667,926.71 and 269,147.31

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Solution

The fourth proportional to 484,041.93, 667,926.71 and 269,147.31 is: 371,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,041.93 : 667,926.71 = 269,147.31 : x
  2. Step 2: Convert to fraction form
    484,041.93/667,926.71 = 269,147.31/x
  3. Step 3: Cross multiply
    484,041.93x = 667,926.71 × 269,147.31
  4. Step 4: Simplify right side
    484,041.93x = 179,770,675,927.91
  5. Step 5: Solve for x
    x = 179,770,675,927.91/484,041.93
  6. Step 6: Final answer
    x = 371,394.84

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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.