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Finding the Fourth Proportional to 325,580.20, 488,443.20 and 125,882.80

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Solution

The fourth proportional to 325,580.20, 488,443.20 and 125,882.80 is: 188,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,580.20 : 488,443.20 = 125,882.80 : x
  2. Step 2: Convert to fraction form
    325,580.20/488,443.20 = 125,882.80/x
  3. Step 3: Cross multiply
    325,580.20x = 488,443.20 × 125,882.80
  4. Step 4: Simplify right side
    325,580.20x = 61,486,597,656.96
  5. Step 5: Solve for x
    x = 61,486,597,656.96/325,580.20
  6. Step 6: Final answer
    x = 188,852.39

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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.