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Finding the Fourth Proportional to 862,846.08, 1,294,272 and 263,804.88

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Solution

The fourth proportional to 862,846.08, 1,294,272 and 263,804.88 is: 395,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,846.08 : 1,294,272 = 263,804.88 : x
  2. Step 2: Convert to fraction form
    862,846.08/1,294,272 = 263,804.88/x
  3. Step 3: Cross multiply
    862,846.08x = 1,294,272 × 263,804.88
  4. Step 4: Simplify right side
    862,846.08x = 341,435,269,647.36
  5. Step 5: Solve for x
    x = 341,435,269,647.36/862,846.08
  6. Step 6: Final answer
    x = 395,708.20

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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.