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Finding the Fourth Proportional to 483,217.84, 667,174.26 and 302,011.12

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Solution

The fourth proportional to 483,217.84, 667,174.26 and 302,011.12 is: 416,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,217.84 : 667,174.26 = 302,011.12 : x
  2. Step 2: Convert to fraction form
    483,217.84/667,174.26 = 302,011.12/x
  3. Step 3: Cross multiply
    483,217.84x = 667,174.26 × 302,011.12
  4. Step 4: Simplify right side
    483,217.84x = 201,494,045,497.77
  5. Step 5: Solve for x
    x = 201,494,045,497.77/483,217.84
  6. Step 6: Final answer
    x = 416,983.87

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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.