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Finding the Fourth Proportional to 410,863.20, 616,246.20 and 111,325.20

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Solution

The fourth proportional to 410,863.20, 616,246.20 and 111,325.20 is: 166,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,863.20 : 616,246.20 = 111,325.20 : x
  2. Step 2: Convert to fraction form
    410,863.20/616,246.20 = 111,325.20/x
  3. Step 3: Cross multiply
    410,863.20x = 616,246.20 × 111,325.20
  4. Step 4: Simplify right side
    410,863.20x = 68,603,731,464.24
  5. Step 5: Solve for x
    x = 68,603,731,464.24/410,863.20
  6. Step 6: Final answer
    x = 166,974.63

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1.5x scale

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.