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Finding the Fourth Proportional to 322,936.98, 484,408.17 and 112,574.58

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Solution

The fourth proportional to 322,936.98, 484,408.17 and 112,574.58 is: 168,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,936.98 : 484,408.17 = 112,574.58 : x
  2. Step 2: Convert to fraction form
    322,936.98/484,408.17 = 112,574.58/x
  3. Step 3: Cross multiply
    322,936.98x = 484,408.17 × 112,574.58
  4. Step 4: Simplify right side
    322,936.98x = 54,532,046,286.32
  5. Step 5: Solve for x
    x = 54,532,046,286.32/322,936.98
  6. Step 6: Final answer
    x = 168,862.81

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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.