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Finding the Fourth Proportional to 481,794.30, 664,881.48 and 266,937.75

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Solution

The fourth proportional to 481,794.30, 664,881.48 and 266,937.75 is: 368,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,794.30 : 664,881.48 = 266,937.75 : x
  2. Step 2: Convert to fraction form
    481,794.30/664,881.48 = 266,937.75/x
  3. Step 3: Cross multiply
    481,794.30x = 664,881.48 × 266,937.75
  4. Step 4: Simplify right side
    481,794.30x = 177,481,966,287.87
  5. Step 5: Solve for x
    x = 177,481,966,287.87/481,794.30
  6. Step 6: Final answer
    x = 368,377.06

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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.