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Finding the Fourth Proportional to 481,331.50, 664,242.70 and 266,475.14

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Solution

The fourth proportional to 481,331.50, 664,242.70 and 266,475.14 is: 367,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,331.50 : 664,242.70 = 266,475.14 : x
  2. Step 2: Convert to fraction form
    481,331.50/664,242.70 = 266,475.14/x
  3. Step 3: Cross multiply
    481,331.50x = 664,242.70 × 266,475.14
  4. Step 4: Simplify right side
    481,331.50x = 177,004,166,476.48
  5. Step 5: Solve for x
    x = 177,004,166,476.48/481,331.50
  6. Step 6: Final answer
    x = 367,738.59

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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.