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Finding the Fourth Proportional to 444,611.90, 666,919.52 and 107,652

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Solution

The fourth proportional to 444,611.90, 666,919.52 and 107,652 is: 161,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,611.90 : 666,919.52 = 107,652 : x
  2. Step 2: Convert to fraction form
    444,611.90/666,919.52 = 107,652/x
  3. Step 3: Cross multiply
    444,611.90x = 666,919.52 × 107,652
  4. Step 4: Simplify right side
    444,611.90x = 71,795,219,628.78
  5. Step 5: Solve for x
    x = 71,795,219,628.78/444,611.90
  6. Step 6: Final answer
    x = 161,478.40

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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.