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Finding the Fourth Proportional to 263,910.79, 395,860.65 and 64,232.29

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Solution

The fourth proportional to 263,910.79, 395,860.65 and 64,232.29 is: 96,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,910.79 : 395,860.65 = 64,232.29 : x
  2. Step 2: Convert to fraction form
    263,910.79/395,860.65 = 64,232.29/x
  3. Step 3: Cross multiply
    263,910.79x = 395,860.65 × 64,232.29
  4. Step 4: Simplify right side
    263,910.79x = 25,427,036,685.65
  5. Step 5: Solve for x
    x = 25,427,036,685.65/263,910.79
  6. Step 6: Final answer
    x = 96,347.09

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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.