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Finding the Fourth Proportional to 481,654.22, 664,704.71 and 266,794.27

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Solution

The fourth proportional to 481,654.22, 664,704.71 and 266,794.27 is: 368,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,654.22 : 664,704.71 = 266,794.27 : x
  2. Step 2: Convert to fraction form
    481,654.22/664,704.71 = 266,794.27/x
  3. Step 3: Cross multiply
    481,654.22x = 664,704.71 × 266,794.27
  4. Step 4: Simplify right side
    481,654.22x = 177,339,407,870.01
  5. Step 5: Solve for x
    x = 177,339,407,870.01/481,654.22
  6. Step 6: Final answer
    x = 368,188.22

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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.