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Finding the Fourth Proportional to 599,995.94, 827,978.34 and 354,993.38

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Solution

The fourth proportional to 599,995.94, 827,978.34 and 354,993.38 is: 489,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,995.94 : 827,978.34 = 354,993.38 : x
  2. Step 2: Convert to fraction form
    599,995.94/827,978.34 = 354,993.38/x
  3. Step 3: Cross multiply
    599,995.94x = 827,978.34 × 354,993.38
  4. Step 4: Simplify right side
    599,995.94x = 293,926,829,483.39
  5. Step 5: Solve for x
    x = 293,926,829,483.39/599,995.94
  6. Step 6: Final answer
    x = 489,881.36

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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.