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Finding the Fourth Proportional to 606,494.52, 909,729.36 and 269,443.80

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Solution

The fourth proportional to 606,494.52, 909,729.36 and 269,443.80 is: 404,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,494.52 : 909,729.36 = 269,443.80 : x
  2. Step 2: Convert to fraction form
    606,494.52/909,729.36 = 269,443.80/x
  3. Step 3: Cross multiply
    606,494.52x = 909,729.36 × 269,443.80
  4. Step 4: Simplify right side
    606,494.52x = 245,120,935,729.97
  5. Step 5: Solve for x
    x = 245,120,935,729.97/606,494.52
  6. Step 6: Final answer
    x = 404,160.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.