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Finding the Fourth Proportional to 439,092.75, 605,940.06 and 248,102.04

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Solution

The fourth proportional to 439,092.75, 605,940.06 and 248,102.04 is: 342,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,092.75 : 605,940.06 = 248,102.04 : x
  2. Step 2: Convert to fraction form
    439,092.75/605,940.06 = 248,102.04/x
  3. Step 3: Cross multiply
    439,092.75x = 605,940.06 × 248,102.04
  4. Step 4: Simplify right side
    439,092.75x = 150,334,965,003.72
  5. Step 5: Solve for x
    x = 150,334,965,003.72/439,092.75
  6. Step 6: Final answer
    x = 342,376.33

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1.5x scale

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.