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Finding the Fourth Proportional to 474,628.52, 654,986.76 and 267,940.38

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Solution

The fourth proportional to 474,628.52, 654,986.76 and 267,940.38 is: 369,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,628.52 : 654,986.76 = 267,940.38 : x
  2. Step 2: Convert to fraction form
    474,628.52/654,986.76 = 267,940.38/x
  3. Step 3: Cross multiply
    474,628.52x = 654,986.76 × 267,940.38
  4. Step 4: Simplify right side
    474,628.52x = 175,497,401,369.37
  5. Step 5: Solve for x
    x = 175,497,401,369.37/474,628.52
  6. Step 6: Final answer
    x = 369,757.39

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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.