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Finding the Fourth Proportional to 481,381.94, 664,351.64 and 266,522

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Solution

The fourth proportional to 481,381.94, 664,351.64 and 266,522 is: 367,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,381.94 : 664,351.64 = 266,522 : x
  2. Step 2: Convert to fraction form
    481,381.94/664,351.64 = 266,522/x
  3. Step 3: Cross multiply
    481,381.94x = 664,351.64 × 266,522
  4. Step 4: Simplify right side
    481,381.94x = 177,064,327,796.08
  5. Step 5: Solve for x
    x = 177,064,327,796.08/481,381.94
  6. Step 6: Final answer
    x = 367,825.03

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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.