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Finding the Fourth Proportional to 489,435.44, 733,997.64 and 332,671.28

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Solution

The fourth proportional to 489,435.44, 733,997.64 and 332,671.28 is: 498,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,435.44 : 733,997.64 = 332,671.28 : x
  2. Step 2: Convert to fraction form
    489,435.44/733,997.64 = 332,671.28/x
  3. Step 3: Cross multiply
    489,435.44x = 733,997.64 × 332,671.28
  4. Step 4: Simplify right side
    489,435.44x = 244,179,934,415.78
  5. Step 5: Solve for x
    x = 244,179,934,415.78/489,435.44
  6. Step 6: Final answer
    x = 498,901.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.