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Finding the Fourth Proportional to 481,406.02, 664,361.04 and 266,546.05

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Solution

The fourth proportional to 481,406.02, 664,361.04 and 266,546.05 is: 367,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,406.02 : 664,361.04 = 266,546.05 : x
  2. Step 2: Convert to fraction form
    481,406.02/664,361.04 = 266,546.05/x
  3. Step 3: Cross multiply
    481,406.02x = 664,361.04 × 266,546.05
  4. Step 4: Simplify right side
    481,406.02x = 177,082,810,985.89
  5. Step 5: Solve for x
    x = 177,082,810,985.89/481,406.02
  6. Step 6: Final answer
    x = 367,845.03

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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.