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Finding the Fourth Proportional to 270,597.10, 373,418.41 and 149,738.32

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Solution

The fourth proportional to 270,597.10, 373,418.41 and 149,738.32 is: 206,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,597.10 : 373,418.41 = 149,738.32 : x
  2. Step 2: Convert to fraction form
    270,597.10/373,418.41 = 149,738.32/x
  3. Step 3: Cross multiply
    270,597.10x = 373,418.41 × 149,738.32
  4. Step 4: Simplify right side
    270,597.10x = 55,915,043,503.38
  5. Step 5: Solve for x
    x = 55,915,043,503.38/270,597.10
  6. Step 6: Final answer
    x = 206,635.78

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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.