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Finding the Fourth Proportional to 322,584.81, 445,191.95 and 193,528.13

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Solution

The fourth proportional to 322,584.81, 445,191.95 and 193,528.13 is: 267,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,584.81 : 445,191.95 = 193,528.13 : x
  2. Step 2: Convert to fraction form
    322,584.81/445,191.95 = 193,528.13/x
  3. Step 3: Cross multiply
    322,584.81x = 445,191.95 × 193,528.13
  4. Step 4: Simplify right side
    322,584.81x = 86,157,162,380.95
  5. Step 5: Solve for x
    x = 86,157,162,380.95/322,584.81
  6. Step 6: Final answer
    x = 267,083.76

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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.