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Finding the Fourth Proportional to 332,171, 458,159.82 and 221,734.04

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Solution

The fourth proportional to 332,171, 458,159.82 and 221,734.04 is: 305,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,171 : 458,159.82 = 221,734.04 : x
  2. Step 2: Convert to fraction form
    332,171/458,159.82 = 221,734.04/x
  3. Step 3: Cross multiply
    332,171x = 458,159.82 × 221,734.04
  4. Step 4: Simplify right side
    332,171x = 101,589,627,854.27
  5. Step 5: Solve for x
    x = 101,589,627,854.27/332,171
  6. Step 6: Final answer
    x = 305,835.33

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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.