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Finding the Fourth Proportional to 283,739.52, 424,858.41 and 171,269.40

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Solution

The fourth proportional to 283,739.52, 424,858.41 and 171,269.40 is: 256,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,739.52 : 424,858.41 = 171,269.40 : x
  2. Step 2: Convert to fraction form
    283,739.52/424,858.41 = 171,269.40/x
  3. Step 3: Cross multiply
    283,739.52x = 424,858.41 × 171,269.40
  4. Step 4: Simplify right side
    283,739.52x = 72,765,244,965.65
  5. Step 5: Solve for x
    x = 72,765,244,965.65/283,739.52
  6. Step 6: Final answer
    x = 256,450.86

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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.