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Finding the Fourth Proportional to 322,954.44, 484,290.44 and 162,931.92

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Solution

The fourth proportional to 322,954.44, 484,290.44 and 162,931.92 is: 244,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,954.44 : 484,290.44 = 162,931.92 : x
  2. Step 2: Convert to fraction form
    322,954.44/484,290.44 = 162,931.92/x
  3. Step 3: Cross multiply
    322,954.44x = 484,290.44 × 162,931.92
  4. Step 4: Simplify right side
    322,954.44x = 78,906,371,226.84
  5. Step 5: Solve for x
    x = 78,906,371,226.84/322,954.44
  6. Step 6: Final answer
    x = 244,326.63

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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.