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Finding the Fourth Proportional to 323,497.56, 446,285.79 and 194,486.43

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Solution

The fourth proportional to 323,497.56, 446,285.79 and 194,486.43 is: 268,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,497.56 : 446,285.79 = 194,486.43 : x
  2. Step 2: Convert to fraction form
    323,497.56/446,285.79 = 194,486.43/x
  3. Step 3: Cross multiply
    323,497.56x = 446,285.79 × 194,486.43
  4. Step 4: Simplify right side
    323,497.56x = 86,796,530,056.83
  5. Step 5: Solve for x
    x = 86,796,530,056.83/323,497.56
  6. Step 6: Final answer
    x = 268,306.60

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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.