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Finding the Fourth Proportional to 444,608.90, 666,915.02 and 107,649

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Solution

The fourth proportional to 444,608.90, 666,915.02 and 107,649 is: 161,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,608.90 : 666,915.02 = 107,649 : x
  2. Step 2: Convert to fraction form
    444,608.90/666,915.02 = 107,649/x
  3. Step 3: Cross multiply
    444,608.90x = 666,915.02 × 107,649
  4. Step 4: Simplify right side
    444,608.90x = 71,792,734,853.42
  5. Step 5: Solve for x
    x = 71,792,734,853.42/444,608.90
  6. Step 6: Final answer
    x = 161,473.90

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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.