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Finding the Fourth Proportional to 481,696.91, 664,693.25 and 266,796.82

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Solution

The fourth proportional to 481,696.91, 664,693.25 and 266,796.82 is: 368,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,696.91 : 664,693.25 = 266,796.82 : x
  2. Step 2: Convert to fraction form
    481,696.91/664,693.25 = 266,796.82/x
  3. Step 3: Cross multiply
    481,696.91x = 664,693.25 × 266,796.82
  4. Step 4: Simplify right side
    481,696.91x = 177,338,042,379.75
  5. Step 5: Solve for x
    x = 177,338,042,379.75/481,696.91
  6. Step 6: Final answer
    x = 368,152.75

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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.