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Finding the Fourth Proportional to 481,379.19, 664,347.84 and 266,519.25

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Solution

The fourth proportional to 481,379.19, 664,347.84 and 266,519.25 is: 367,821.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,379.19 : 664,347.84 = 266,519.25 : x
  2. Step 2: Convert to fraction form
    481,379.19/664,347.84 = 266,519.25/x
  3. Step 3: Cross multiply
    481,379.19x = 664,347.84 × 266,519.25
  4. Step 4: Simplify right side
    481,379.19x = 177,061,488,055.92
  5. Step 5: Solve for x
    x = 177,061,488,055.92/481,379.19
  6. Step 6: Final answer
    x = 367,821.23

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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.