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Finding the Fourth Proportional to 399,627.41, 599,427.27 and 100,110.56

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Solution

The fourth proportional to 399,627.41, 599,427.27 and 100,110.56 is: 150,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,627.41 : 599,427.27 = 100,110.56 : x
  2. Step 2: Convert to fraction form
    399,627.41/599,427.27 = 100,110.56/x
  3. Step 3: Cross multiply
    399,627.41x = 599,427.27 × 100,110.56
  4. Step 4: Simplify right side
    399,627.41x = 60,008,996,681.83
  5. Step 5: Solve for x
    x = 60,008,996,681.83/399,627.41
  6. Step 6: Final answer
    x = 150,162.37

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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.