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Finding the Fourth Proportional to 439,544.61, 606,665.78 and 267,517.98

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Solution

The fourth proportional to 439,544.61, 606,665.78 and 267,517.98 is: 369,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,544.61 : 606,665.78 = 267,517.98 : x
  2. Step 2: Convert to fraction form
    439,544.61/606,665.78 = 267,517.98/x
  3. Step 3: Cross multiply
    439,544.61x = 606,665.78 × 267,517.98
  4. Step 4: Simplify right side
    439,544.61x = 162,294,004,669.52
  5. Step 5: Solve for x
    x = 162,294,004,669.52/439,544.61
  6. Step 6: Final answer
    x = 369,232.16

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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.