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Finding the Fourth Proportional to 325,503.60, 488,255.32 and 88,852.56

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Solution

The fourth proportional to 325,503.60, 488,255.32 and 88,852.56 is: 133,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,503.60 : 488,255.32 = 88,852.56 : x
  2. Step 2: Convert to fraction form
    325,503.60/488,255.32 = 88,852.56/x
  3. Step 3: Cross multiply
    325,503.60x = 488,255.32 × 88,852.56
  4. Step 4: Simplify right side
    325,503.60x = 43,382,735,115.62
  5. Step 5: Solve for x
    x = 43,382,735,115.62/325,503.60
  6. Step 6: Final answer
    x = 133,278.82

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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.