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Finding the Fourth Proportional to 481,591.10, 664,594.03 and 277,641.03

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Solution

The fourth proportional to 481,591.10, 664,594.03 and 277,641.03 is: 383,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,591.10 : 664,594.03 = 277,641.03 : x
  2. Step 2: Convert to fraction form
    481,591.10/664,594.03 = 277,641.03/x
  3. Step 3: Cross multiply
    481,591.10x = 664,594.03 × 277,641.03
  4. Step 4: Simplify right side
    481,591.10x = 184,518,573,860.33
  5. Step 5: Solve for x
    x = 184,518,573,860.33/481,591.10
  6. Step 6: Final answer
    x = 383,143.65

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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.