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Finding the Fourth Proportional to 439,092.72, 605,940.05 and 248,102.01

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Solution

The fourth proportional to 439,092.72, 605,940.05 and 248,102.01 is: 342,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,092.72 : 605,940.05 = 248,102.01 : x
  2. Step 2: Convert to fraction form
    439,092.72/605,940.05 = 248,102.01/x
  3. Step 3: Cross multiply
    439,092.72x = 605,940.05 × 248,102.01
  4. Step 4: Simplify right side
    439,092.72x = 150,334,943,103.99
  5. Step 5: Solve for x
    x = 150,334,943,103.99/439,092.72
  6. Step 6: Final answer
    x = 342,376.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.