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Finding the Fourth Proportional to 442,198.73, 610,236.31 and 251,222.60

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Solution

The fourth proportional to 442,198.73, 610,236.31 and 251,222.60 is: 346,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,198.73 : 610,236.31 = 251,222.60 : x
  2. Step 2: Convert to fraction form
    442,198.73/610,236.31 = 251,222.60/x
  3. Step 3: Cross multiply
    442,198.73x = 610,236.31 × 251,222.60
  4. Step 4: Simplify right side
    442,198.73x = 153,305,153,310.14
  5. Step 5: Solve for x
    x = 153,305,153,310.14/442,198.73
  6. Step 6: Final answer
    x = 346,688.36

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1.5x scale

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.