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Finding the Fourth Proportional to 362,634.54, 543,951.70 and 113,316.54

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Solution

The fourth proportional to 362,634.54, 543,951.70 and 113,316.54 is: 169,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,634.54 : 543,951.70 = 113,316.54 : x
  2. Step 2: Convert to fraction form
    362,634.54/543,951.70 = 113,316.54/x
  3. Step 3: Cross multiply
    362,634.54x = 543,951.70 × 113,316.54
  4. Step 4: Simplify right side
    362,634.54x = 61,638,724,571.12
  5. Step 5: Solve for x
    x = 61,638,724,571.12/362,634.54
  6. Step 6: Final answer
    x = 169,974.78

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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.