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Finding the Fourth Proportional to 322,638.64, 484,056.42 and 164,977.84

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Solution

The fourth proportional to 322,638.64, 484,056.42 and 164,977.84 is: 247,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,638.64 : 484,056.42 = 164,977.84 : x
  2. Step 2: Convert to fraction form
    322,638.64/484,056.42 = 164,977.84/x
  3. Step 3: Cross multiply
    322,638.64x = 484,056.42 × 164,977.84
  4. Step 4: Simplify right side
    322,638.64x = 79,858,582,609.73
  5. Step 5: Solve for x
    x = 79,858,582,609.73/322,638.64
  6. Step 6: Final answer
    x = 247,517.11

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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.