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Finding the Fourth Proportional to 652,747.42, 978,899.36 and 226,183.72

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Solution

The fourth proportional to 652,747.42, 978,899.36 and 226,183.72 is: 339,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,747.42 : 978,899.36 = 226,183.72 : x
  2. Step 2: Convert to fraction form
    652,747.42/978,899.36 = 226,183.72/x
  3. Step 3: Cross multiply
    652,747.42x = 978,899.36 × 226,183.72
  4. Step 4: Simplify right side
    652,747.42x = 221,411,098,750.42
  5. Step 5: Solve for x
    x = 221,411,098,750.42/652,747.42
  6. Step 6: Final answer
    x = 339,198.73

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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.