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Finding the Fourth Proportional to 322,638.39, 484,056.05 and 164,977.59

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Solution

The fourth proportional to 322,638.39, 484,056.05 and 164,977.59 is: 247,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,638.39 : 484,056.05 = 164,977.59 : x
  2. Step 2: Convert to fraction form
    322,638.39/484,056.05 = 164,977.59/x
  3. Step 3: Cross multiply
    322,638.39x = 484,056.05 × 164,977.59
  4. Step 4: Simplify right side
    322,638.39x = 79,858,399,729.03
  5. Step 5: Solve for x
    x = 79,858,399,729.03/322,638.39
  6. Step 6: Final answer
    x = 247,516.73

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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.