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Finding the Fourth Proportional to 322,292.80, 444,738.03 and 186,335.51

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Solution

The fourth proportional to 322,292.80, 444,738.03 and 186,335.51 is: 257,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,292.80 : 444,738.03 = 186,335.51 : x
  2. Step 2: Convert to fraction form
    322,292.80/444,738.03 = 186,335.51/x
  3. Step 3: Cross multiply
    322,292.80x = 444,738.03 × 186,335.51
  4. Step 4: Simplify right side
    322,292.80x = 82,870,487,921.41
  5. Step 5: Solve for x
    x = 82,870,487,921.41/322,292.80
  6. Step 6: Final answer
    x = 257,127.95

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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.