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Finding the Fourth Proportional to 481,589.73, 664,538.31 and 277,639.02

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Solution

The fourth proportional to 481,589.73, 664,538.31 and 277,639.02 is: 383,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,589.73 : 664,538.31 = 277,639.02 : x
  2. Step 2: Convert to fraction form
    481,589.73/664,538.31 = 277,639.02/x
  3. Step 3: Cross multiply
    481,589.73x = 664,538.31 × 277,639.02
  4. Step 4: Simplify right side
    481,589.73x = 184,501,765,140.86
  5. Step 5: Solve for x
    x = 184,501,765,140.86/481,589.73
  6. Step 6: Final answer
    x = 383,109.84

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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.