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Finding the Fourth Proportional to 481,456.38, 664,408.62 and 277,505.67

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Solution

The fourth proportional to 481,456.38, 664,408.62 and 277,505.67 is: 382,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,456.38 : 664,408.62 = 277,505.67 : x
  2. Step 2: Convert to fraction form
    481,456.38/664,408.62 = 277,505.67/x
  3. Step 3: Cross multiply
    481,456.38x = 664,408.62 × 277,505.67
  4. Step 4: Simplify right side
    481,456.38x = 184,377,159,246.88
  5. Step 5: Solve for x
    x = 184,377,159,246.88/481,456.38
  6. Step 6: Final answer
    x = 382,957.14

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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.