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Finding the Fourth Proportional to 496,524.30, 685,112.88 and 324,396.46

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Solution

The fourth proportional to 496,524.30, 685,112.88 and 324,396.46 is: 447,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,524.30 : 685,112.88 = 324,396.46 : x
  2. Step 2: Convert to fraction form
    496,524.30/685,112.88 = 324,396.46/x
  3. Step 3: Cross multiply
    496,524.30x = 685,112.88 × 324,396.46
  4. Step 4: Simplify right side
    496,524.30x = 222,248,192,972.41
  5. Step 5: Solve for x
    x = 222,248,192,972.41/496,524.30
  6. Step 6: Final answer
    x = 447,607.89

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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.