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Finding the Fourth Proportional to 344,124.87, 474,879.11 and 191,172.67

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Solution

The fourth proportional to 344,124.87, 474,879.11 and 191,172.67 is: 263,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,124.87 : 474,879.11 = 191,172.67 : x
  2. Step 2: Convert to fraction form
    344,124.87/474,879.11 = 191,172.67/x
  3. Step 3: Cross multiply
    344,124.87x = 474,879.11 × 191,172.67
  4. Step 4: Simplify right side
    344,124.87x = 90,783,907,914.06
  5. Step 5: Solve for x
    x = 90,783,907,914.06/344,124.87
  6. Step 6: Final answer
    x = 263,810.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.