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Finding the Fourth Proportional to 325,466.41, 488,245.83 and 100,844.50

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Solution

The fourth proportional to 325,466.41, 488,245.83 and 100,844.50 is: 151,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,466.41 : 488,245.83 = 100,844.50 : x
  2. Step 2: Convert to fraction form
    325,466.41/488,245.83 = 100,844.50/x
  3. Step 3: Cross multiply
    325,466.41x = 488,245.83 × 100,844.50
  4. Step 4: Simplify right side
    325,466.41x = 49,236,906,603.44
  5. Step 5: Solve for x
    x = 49,236,906,603.44/325,466.41
  6. Step 6: Final answer
    x = 151,281.07

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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.