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Finding the Fourth Proportional to 263,525.67, 395,682.16 and 259,589.07

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Solution

The fourth proportional to 263,525.67, 395,682.16 and 259,589.07 is: 389,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,525.67 : 395,682.16 = 259,589.07 : x
  2. Step 2: Convert to fraction form
    263,525.67/395,682.16 = 259,589.07/x
  3. Step 3: Cross multiply
    263,525.67x = 395,682.16 × 259,589.07
  4. Step 4: Simplify right side
    263,525.67x = 102,714,763,929.99
  5. Step 5: Solve for x
    x = 102,714,763,929.99/263,525.67
  6. Step 6: Final answer
    x = 389,771.38

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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.