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Finding the Fourth Proportional to 598,520.91, 825,978.77 and 326,603.73

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Solution

The fourth proportional to 598,520.91, 825,978.77 and 326,603.73 is: 450,724.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,520.91 : 825,978.77 = 326,603.73 : x
  2. Step 2: Convert to fraction form
    598,520.91/825,978.77 = 326,603.73/x
  3. Step 3: Cross multiply
    598,520.91x = 825,978.77 × 326,603.73
  4. Step 4: Simplify right side
    598,520.91x = 269,767,747,062.99
  5. Step 5: Solve for x
    x = 269,767,747,062.99/598,520.91
  6. Step 6: Final answer
    x = 450,724.01

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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.