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Finding the Fourth Proportional to 481,249.70, 664,116.54 and 266,385.15

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Solution

The fourth proportional to 481,249.70, 664,116.54 and 266,385.15 is: 367,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,249.70 : 664,116.54 = 266,385.15 : x
  2. Step 2: Convert to fraction form
    481,249.70/664,116.54 = 266,385.15/x
  3. Step 3: Cross multiply
    481,249.70x = 664,116.54 × 266,385.15
  4. Step 4: Simplify right side
    481,249.70x = 176,910,784,125.38
  5. Step 5: Solve for x
    x = 176,910,784,125.38/481,249.70
  6. Step 6: Final answer
    x = 367,607.06

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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.