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Finding the Fourth Proportional to 325,572.88, 488,377.75 and 100,965.25

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Solution

The fourth proportional to 325,572.88, 488,377.75 and 100,965.25 is: 151,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,572.88 : 488,377.75 = 100,965.25 : x
  2. Step 2: Convert to fraction form
    325,572.88/488,377.75 = 100,965.25/x
  3. Step 3: Cross multiply
    325,572.88x = 488,377.75 × 100,965.25
  4. Step 4: Simplify right side
    325,572.88x = 49,309,179,612.74
  5. Step 5: Solve for x
    x = 49,309,179,612.74/325,572.88
  6. Step 6: Final answer
    x = 151,453.58

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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.