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Finding the Fourth Proportional to 492,806.80, 738,927.26 and 192,936.30

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Solution

The fourth proportional to 492,806.80, 738,927.26 and 192,936.30 is: 289,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,806.80 : 738,927.26 = 192,936.30 : x
  2. Step 2: Convert to fraction form
    492,806.80/738,927.26 = 192,936.30/x
  3. Step 3: Cross multiply
    492,806.80x = 738,927.26 × 192,936.30
  4. Step 4: Simplify right side
    492,806.80x = 142,565,888,501.39
  5. Step 5: Solve for x
    x = 142,565,888,501.39/492,806.80
  6. Step 6: Final answer
    x = 289,293.67

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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.