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Finding the Fourth Proportional to 322,586.80, 445,159.92 and 177,392.32

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Solution

The fourth proportional to 322,586.80, 445,159.92 and 177,392.32 is: 244,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,586.80 : 445,159.92 = 177,392.32 : x
  2. Step 2: Convert to fraction form
    322,586.80/445,159.92 = 177,392.32/x
  3. Step 3: Cross multiply
    322,586.80x = 445,159.92 × 177,392.32
  4. Step 4: Simplify right side
    322,586.80x = 78,967,950,979.81
  5. Step 5: Solve for x
    x = 78,967,950,979.81/322,586.80
  6. Step 6: Final answer
    x = 244,795.98

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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.