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Finding the Fourth Proportional to 481,410.64, 664,293.05 and 266,496.89

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Solution

The fourth proportional to 481,410.64, 664,293.05 and 266,496.89 is: 367,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,410.64 : 664,293.05 = 266,496.89 : x
  2. Step 2: Convert to fraction form
    481,410.64/664,293.05 = 266,496.89/x
  3. Step 3: Cross multiply
    481,410.64x = 664,293.05 × 266,496.89
  4. Step 4: Simplify right side
    481,410.64x = 177,032,028,219.03
  5. Step 5: Solve for x
    x = 177,032,028,219.03/481,410.64
  6. Step 6: Final answer
    x = 367,736.01

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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.