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Finding the Fourth Proportional to 325,245.66, 487,914.98 and 100,625.28

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Solution

The fourth proportional to 325,245.66, 487,914.98 and 100,625.28 is: 150,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,245.66 : 487,914.98 = 100,625.28 : x
  2. Step 2: Convert to fraction form
    325,245.66/487,914.98 = 100,625.28/x
  3. Step 3: Cross multiply
    325,245.66x = 487,914.98 × 100,625.28
  4. Step 4: Simplify right side
    325,245.66x = 49,096,580,975.57
  5. Step 5: Solve for x
    x = 49,096,580,975.57/325,245.66
  6. Step 6: Final answer
    x = 150,952.30

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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.