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Finding the Fourth Proportional to 444,652.73, 666,980.68 and 107,693.61

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Solution

The fourth proportional to 444,652.73, 666,980.68 and 107,693.61 is: 161,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,652.73 : 666,980.68 = 107,693.61 : x
  2. Step 2: Convert to fraction form
    444,652.73/666,980.68 = 107,693.61/x
  3. Step 3: Cross multiply
    444,652.73x = 666,980.68 × 107,693.61
  4. Step 4: Simplify right side
    444,652.73x = 71,829,557,364.07
  5. Step 5: Solve for x
    x = 71,829,557,364.07/444,652.73
  6. Step 6: Final answer
    x = 161,540.80

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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.