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Finding the Fourth Proportional to 262,860.60, 394,328.96 and 82,884.94

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Solution

The fourth proportional to 262,860.60, 394,328.96 and 82,884.94 is: 124,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,860.60 : 394,328.96 = 82,884.94 : x
  2. Step 2: Convert to fraction form
    262,860.60/394,328.96 = 82,884.94/x
  3. Step 3: Cross multiply
    262,860.60x = 394,328.96 × 82,884.94
  4. Step 4: Simplify right side
    262,860.60x = 32,683,932,189.86
  5. Step 5: Solve for x
    x = 32,683,932,189.86/262,860.60
  6. Step 6: Final answer
    x = 124,339.41

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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.