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Finding the Fourth Proportional to 454,709.62, 682,064.43 and 201,930.67

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Solution

The fourth proportional to 454,709.62, 682,064.43 and 201,930.67 is: 302,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,709.62 : 682,064.43 = 201,930.67 : x
  2. Step 2: Convert to fraction form
    454,709.62/682,064.43 = 201,930.67/x
  3. Step 3: Cross multiply
    454,709.62x = 682,064.43 × 201,930.67
  4. Step 4: Simplify right side
    454,709.62x = 137,729,727,333.07
  5. Step 5: Solve for x
    x = 137,729,727,333.07/454,709.62
  6. Step 6: Final answer
    x = 302,896.01

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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.