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Finding the Fourth Proportional to 260,091.54, 358,782.62 and 211,745.48

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Solution

The fourth proportional to 260,091.54, 358,782.62 and 211,745.48 is: 292,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,091.54 : 358,782.62 = 211,745.48 : x
  2. Step 2: Convert to fraction form
    260,091.54/358,782.62 = 211,745.48/x
  3. Step 3: Cross multiply
    260,091.54x = 358,782.62 × 211,745.48
  4. Step 4: Simplify right side
    260,091.54x = 75,970,595,234.92
  5. Step 5: Solve for x
    x = 75,970,595,234.92/260,091.54
  6. Step 6: Final answer
    x = 292,091.76

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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.