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Finding the Fourth Proportional to 489,434.94, 733,996.89 and 332,670.78

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Solution

The fourth proportional to 489,434.94, 733,996.89 and 332,670.78 is: 498,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,434.94 : 733,996.89 = 332,670.78 : x
  2. Step 2: Convert to fraction form
    489,434.94/733,996.89 = 332,670.78/x
  3. Step 3: Cross multiply
    489,434.94x = 733,996.89 × 332,670.78
  4. Step 4: Simplify right side
    489,434.94x = 244,179,317,913.87
  5. Step 5: Solve for x
    x = 244,179,317,913.87/489,434.94
  6. Step 6: Final answer
    x = 498,900.46

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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.