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Finding the Fourth Proportional to 481,400.22, 664,353.06 and 266,540.29

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Solution

The fourth proportional to 481,400.22, 664,353.06 and 266,540.29 is: 367,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,400.22 : 664,353.06 = 266,540.29 : x
  2. Step 2: Convert to fraction form
    481,400.22/664,353.06 = 266,540.29/x
  3. Step 3: Cross multiply
    481,400.22x = 664,353.06 × 266,540.29
  4. Step 4: Simplify right side
    481,400.22x = 177,076,853,953.02
  5. Step 5: Solve for x
    x = 177,076,853,953.02/481,400.22
  6. Step 6: Final answer
    x = 367,837.09

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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.