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Finding the Fourth Proportional to 397,209.75, 595,851.34 and 112,906.23

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Solution

The fourth proportional to 397,209.75, 595,851.34 and 112,906.23 is: 169,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,209.75 : 595,851.34 = 112,906.23 : x
  2. Step 2: Convert to fraction form
    397,209.75/595,851.34 = 112,906.23/x
  3. Step 3: Cross multiply
    397,209.75x = 595,851.34 × 112,906.23
  4. Step 4: Simplify right side
    397,209.75x = 67,275,325,460.59
  5. Step 5: Solve for x
    x = 67,275,325,460.59/397,209.75
  6. Step 6: Final answer
    x = 169,369.78

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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.