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Finding the Fourth Proportional to 325,997.44, 488,834.88 and 115,603.84

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Solution

The fourth proportional to 325,997.44, 488,834.88 and 115,603.84 is: 173,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,997.44 : 488,834.88 = 115,603.84 : x
  2. Step 2: Convert to fraction form
    325,997.44/488,834.88 = 115,603.84/x
  3. Step 3: Cross multiply
    325,997.44x = 488,834.88 × 115,603.84
  4. Step 4: Simplify right side
    325,997.44x = 56,511,189,253.94
  5. Step 5: Solve for x
    x = 56,511,189,253.94/325,997.44
  6. Step 6: Final answer
    x = 173,348.57

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1.5x scale

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.