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Finding the Fourth Proportional to 283,992.40, 425,470.20 and 173,054.80

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Solution

The fourth proportional to 283,992.40, 425,470.20 and 173,054.80 is: 259,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,992.40 : 425,470.20 = 173,054.80 : x
  2. Step 2: Convert to fraction form
    283,992.40/425,470.20 = 173,054.80/x
  3. Step 3: Cross multiply
    283,992.40x = 425,470.20 × 173,054.80
  4. Step 4: Simplify right side
    283,992.40x = 73,629,660,366.96
  5. Step 5: Solve for x
    x = 73,629,660,366.96/283,992.40
  6. Step 6: Final answer
    x = 259,266.31

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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.