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Finding the Fourth Proportional to 325,354.88, 488,116.46 and 190,532.81

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Solution

The fourth proportional to 325,354.88, 488,116.46 and 190,532.81 is: 285,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,354.88 : 488,116.46 = 190,532.81 : x
  2. Step 2: Convert to fraction form
    325,354.88/488,116.46 = 190,532.81/x
  3. Step 3: Cross multiply
    325,354.88x = 488,116.46 × 190,532.81
  4. Step 4: Simplify right side
    325,354.88x = 93,002,202,427.68
  5. Step 5: Solve for x
    x = 93,002,202,427.68/325,354.88
  6. Step 6: Final answer
    x = 285,848.49

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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.