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Finding the Fourth Proportional to 481,284, 722,635.61 and 268,467.66

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Solution

The fourth proportional to 481,284, 722,635.61 and 268,467.66 is: 403,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,284 : 722,635.61 = 268,467.66 : x
  2. Step 2: Convert to fraction form
    481,284/722,635.61 = 268,467.66/x
  3. Step 3: Cross multiply
    481,284x = 722,635.61 × 268,467.66
  4. Step 4: Simplify right side
    481,284x = 194,004,289,907.03
  5. Step 5: Solve for x
    x = 194,004,289,907.03/481,284
  6. Step 6: Final answer
    x = 403,097.32

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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.