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Finding the Fourth Proportional to 396,093.06, 546,003.72 and 242,847.54

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Solution

The fourth proportional to 396,093.06, 546,003.72 and 242,847.54 is: 334,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,093.06 : 546,003.72 = 242,847.54 : x
  2. Step 2: Convert to fraction form
    396,093.06/546,003.72 = 242,847.54/x
  3. Step 3: Cross multiply
    396,093.06x = 546,003.72 × 242,847.54
  4. Step 4: Simplify right side
    396,093.06x = 132,595,660,232.85
  5. Step 5: Solve for x
    x = 132,595,660,232.85/396,093.06
  6. Step 6: Final answer
    x = 334,758.86

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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.