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Finding the Fourth Proportional to 468,464.67, 646,481.43 and 253,604.73

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Solution

The fourth proportional to 468,464.67, 646,481.43 and 253,604.73 is: 349,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,464.67 : 646,481.43 = 253,604.73 : x
  2. Step 2: Convert to fraction form
    468,464.67/646,481.43 = 253,604.73/x
  3. Step 3: Cross multiply
    468,464.67x = 646,481.43 × 253,604.73
  4. Step 4: Simplify right side
    468,464.67x = 163,950,748,505.16
  5. Step 5: Solve for x
    x = 163,950,748,505.16/468,464.67
  6. Step 6: Final answer
    x = 349,974.63

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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.