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Finding the Fourth Proportional to 492,455.70, 738,467.55 and 226,127.70

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Solution

The fourth proportional to 492,455.70, 738,467.55 and 226,127.70 is: 339,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,455.70 : 738,467.55 = 226,127.70 : x
  2. Step 2: Convert to fraction form
    492,455.70/738,467.55 = 226,127.70/x
  3. Step 3: Cross multiply
    492,455.70x = 738,467.55 × 226,127.70
  4. Step 4: Simplify right side
    492,455.70x = 166,987,968,606.14
  5. Step 5: Solve for x
    x = 166,987,968,606.14/492,455.70
  6. Step 6: Final answer
    x = 339,092.37

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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.