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Finding the Fourth Proportional to 481,606.08, 664,691.04 and 274,874.64

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Solution

The fourth proportional to 481,606.08, 664,691.04 and 274,874.64 is: 379,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,606.08 : 664,691.04 = 274,874.64 : x
  2. Step 2: Convert to fraction form
    481,606.08/664,691.04 = 274,874.64/x
  3. Step 3: Cross multiply
    481,606.08x = 664,691.04 × 274,874.64
  4. Step 4: Simplify right side
    481,606.08x = 182,706,710,331.23
  5. Step 5: Solve for x
    x = 182,706,710,331.23/481,606.08
  6. Step 6: Final answer
    x = 379,369.61

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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.