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Finding the Fourth Proportional to 551,715.52, 827,489.04 and 263,453.44

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Solution

The fourth proportional to 551,715.52, 827,489.04 and 263,453.44 is: 395,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,715.52 : 827,489.04 = 263,453.44 : x
  2. Step 2: Convert to fraction form
    551,715.52/827,489.04 = 263,453.44/x
  3. Step 3: Cross multiply
    551,715.52x = 827,489.04 × 263,453.44
  4. Step 4: Simplify right side
    551,715.52x = 218,004,834,150.30
  5. Step 5: Solve for x
    x = 218,004,834,150.30/551,715.52
  6. Step 6: Final answer
    x = 395,139.93

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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.