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Finding the Fourth Proportional to 274,280.70, 411,584.49 and 122,465.97

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Solution

The fourth proportional to 274,280.70, 411,584.49 and 122,465.97 is: 183,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,280.70 : 411,584.49 = 122,465.97 : x
  2. Step 2: Convert to fraction form
    274,280.70/411,584.49 = 122,465.97/x
  3. Step 3: Cross multiply
    274,280.70x = 411,584.49 × 122,465.97
  4. Step 4: Simplify right side
    274,280.70x = 50,405,093,804.81
  5. Step 5: Solve for x
    x = 50,405,093,804.81/274,280.70
  6. Step 6: Final answer
    x = 183,771.93

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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.