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Finding the Fourth Proportional to 444,015.60, 665,634.60 and 266,593.20

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Solution

The fourth proportional to 444,015.60, 665,634.60 and 266,593.20 is: 399,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,015.60 : 665,634.60 = 266,593.20 : x
  2. Step 2: Convert to fraction form
    444,015.60/665,634.60 = 266,593.20/x
  3. Step 3: Cross multiply
    444,015.60x = 665,634.60 × 266,593.20
  4. Step 4: Simplify right side
    444,015.60x = 177,453,658,044.72
  5. Step 5: Solve for x
    x = 177,453,658,044.72/444,015.60
  6. Step 6: Final answer
    x = 399,656.36

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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.