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Finding the Fourth Proportional to 325,571.21, 488,375.26 and 100,963.57

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Solution

The fourth proportional to 325,571.21, 488,375.26 and 100,963.57 is: 151,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,571.21 : 488,375.26 = 100,963.57 : x
  2. Step 2: Convert to fraction form
    325,571.21/488,375.26 = 100,963.57/x
  3. Step 3: Cross multiply
    325,571.21x = 488,375.26 × 100,963.57
  4. Step 4: Simplify right side
    325,571.21x = 49,308,110,849.15
  5. Step 5: Solve for x
    x = 49,308,110,849.15/325,571.21
  6. Step 6: Final answer
    x = 151,451.08

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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.