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Finding the Fourth Proportional to 362,850.60, 543,822.30 and 185,428.20

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Solution

The fourth proportional to 362,850.60, 543,822.30 and 185,428.20 is: 277,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,850.60 : 543,822.30 = 185,428.20 : x
  2. Step 2: Convert to fraction form
    362,850.60/543,822.30 = 185,428.20/x
  3. Step 3: Cross multiply
    362,850.60x = 543,822.30 × 185,428.20
  4. Step 4: Simplify right side
    362,850.60x = 100,839,990,208.86
  5. Step 5: Solve for x
    x = 100,839,990,208.86/362,850.60
  6. Step 6: Final answer
    x = 277,910.50

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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.