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Finding the Fourth Proportional to 598,480.79, 825,723.54 and 394,458.39

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Solution

The fourth proportional to 598,480.79, 825,723.54 and 394,458.39 is: 544,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,480.79 : 825,723.54 = 394,458.39 : x
  2. Step 2: Convert to fraction form
    598,480.79/825,723.54 = 394,458.39/x
  3. Step 3: Cross multiply
    598,480.79x = 825,723.54 × 394,458.39
  4. Step 4: Simplify right side
    598,480.79x = 325,713,578,173.50
  5. Step 5: Solve for x
    x = 325,713,578,173.50/598,480.79
  6. Step 6: Final answer
    x = 544,233.98

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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.