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Finding the Fourth Proportional to 263,700.76, 395,553.61 and 64,022.89

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Solution

The fourth proportional to 263,700.76, 395,553.61 and 64,022.89 is: 96,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,700.76 : 395,553.61 = 64,022.89 : x
  2. Step 2: Convert to fraction form
    263,700.76/395,553.61 = 64,022.89/x
  3. Step 3: Cross multiply
    263,700.76x = 395,553.61 × 64,022.89
  4. Step 4: Simplify right side
    263,700.76x = 25,324,485,262.13
  5. Step 5: Solve for x
    x = 25,324,485,262.13/263,700.76
  6. Step 6: Final answer
    x = 96,034.93

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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.