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Finding the Fourth Proportional to 481,774.25, 664,870.24 and 266,914.31

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Solution

The fourth proportional to 481,774.25, 664,870.24 and 266,914.31 is: 368,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,774.25 : 664,870.24 = 266,914.31 : x
  2. Step 2: Convert to fraction form
    481,774.25/664,870.24 = 266,914.31/x
  3. Step 3: Cross multiply
    481,774.25x = 664,870.24 × 266,914.31
  4. Step 4: Simplify right side
    481,774.25x = 177,463,379,850.76
  5. Step 5: Solve for x
    x = 177,463,379,850.76/481,774.25
  6. Step 6: Final answer
    x = 368,353.81

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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.