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Finding the Fourth Proportional to 481,651.82, 664,684.83 and 266,795.18

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Solution

The fourth proportional to 481,651.82, 664,684.83 and 266,795.18 is: 368,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,651.82 : 664,684.83 = 266,795.18 : x
  2. Step 2: Convert to fraction form
    481,651.82/664,684.83 = 266,795.18/x
  3. Step 3: Cross multiply
    481,651.82x = 664,684.83 × 266,795.18
  4. Step 4: Simplify right side
    481,651.82x = 177,334,708,863.12
  5. Step 5: Solve for x
    x = 177,334,708,863.12/481,651.82
  6. Step 6: Final answer
    x = 368,180.29

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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.