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Finding the Fourth Proportional to 322,856.73, 484,287.53 and 112,494.33

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Solution

The fourth proportional to 322,856.73, 484,287.53 and 112,494.33 is: 168,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,856.73 : 484,287.53 = 112,494.33 : x
  2. Step 2: Convert to fraction form
    322,856.73/484,287.53 = 112,494.33/x
  3. Step 3: Cross multiply
    322,856.73x = 484,287.53 × 112,494.33
  4. Step 4: Simplify right side
    322,856.73x = 54,479,600,652.23
  5. Step 5: Solve for x
    x = 54,479,600,652.23/322,856.73
  6. Step 6: Final answer
    x = 168,742.34

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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.