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Finding the Fourth Proportional to 263,863.62, 395,795.76 and 64,182.62

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Solution

The fourth proportional to 263,863.62, 395,795.76 and 64,182.62 is: 96,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,863.62 : 395,795.76 = 64,182.62 : x
  2. Step 2: Convert to fraction form
    263,863.62/395,795.76 = 64,182.62/x
  3. Step 3: Cross multiply
    263,863.62x = 395,795.76 × 64,182.62
  4. Step 4: Simplify right side
    263,863.62x = 25,403,208,861.69
  5. Step 5: Solve for x
    x = 25,403,208,861.69/263,863.62
  6. Step 6: Final answer
    x = 96,274.01

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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.