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Finding the Fourth Proportional to 367,211.14, 550,414.95 and 156,974.02

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Solution

The fourth proportional to 367,211.14, 550,414.95 and 156,974.02 is: 235,289.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,211.14 : 550,414.95 = 156,974.02 : x
  2. Step 2: Convert to fraction form
    367,211.14/550,414.95 = 156,974.02/x
  3. Step 3: Cross multiply
    367,211.14x = 550,414.95 × 156,974.02
  4. Step 4: Simplify right side
    367,211.14x = 86,400,847,369.60
  5. Step 5: Solve for x
    x = 86,400,847,369.60/367,211.14
  6. Step 6: Final answer
    x = 235,289.29

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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.