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Finding the Fourth Proportional to 279,093.62, 385,258.75 and 197,846.54

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Solution

The fourth proportional to 279,093.62, 385,258.75 and 197,846.54 is: 273,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,093.62 : 385,258.75 = 197,846.54 : x
  2. Step 2: Convert to fraction form
    279,093.62/385,258.75 = 197,846.54/x
  3. Step 3: Cross multiply
    279,093.62x = 385,258.75 × 197,846.54
  4. Step 4: Simplify right side
    279,093.62x = 76,222,110,692.23
  5. Step 5: Solve for x
    x = 76,222,110,692.23/279,093.62
  6. Step 6: Final answer
    x = 273,105.89

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1.5x scale

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.