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Finding the Fourth Proportional to 494,732.73, 682,732.48 and 268,378.23

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Solution

The fourth proportional to 494,732.73, 682,732.48 and 268,378.23 is: 370,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,732.73 : 682,732.48 = 268,378.23 : x
  2. Step 2: Convert to fraction form
    494,732.73/682,732.48 = 268,378.23/x
  3. Step 3: Cross multiply
    494,732.73x = 682,732.48 × 268,378.23
  4. Step 4: Simplify right side
    494,732.73x = 183,230,534,545.91
  5. Step 5: Solve for x
    x = 183,230,534,545.91/494,732.73
  6. Step 6: Final answer
    x = 370,362.67

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1.5x scale

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.