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Finding the Fourth Proportional to 322,683.87, 445,118.72 and 267,926.07

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Solution

The fourth proportional to 322,683.87, 445,118.72 and 267,926.07 is: 369,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,683.87 : 445,118.72 = 267,926.07 : x
  2. Step 2: Convert to fraction form
    322,683.87/445,118.72 = 267,926.07/x
  3. Step 3: Cross multiply
    322,683.87x = 445,118.72 × 267,926.07
  4. Step 4: Simplify right side
    322,683.87x = 119,258,907,993.40
  5. Step 5: Solve for x
    x = 119,258,907,993.40/322,683.87
  6. Step 6: Final answer
    x = 369,584.35

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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.