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Finding the Fourth Proportional to 523,703.00, 722,741.10 and 394,413.43

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Solution

The fourth proportional to 523,703.00, 722,741.10 and 394,413.43 is: 544,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,703.00 : 722,741.10 = 394,413.43 : x
  2. Step 2: Convert to fraction form
    523,703.00/722,741.10 = 394,413.43/x
  3. Step 3: Cross multiply
    523,703.00x = 722,741.10 × 394,413.43
  4. Step 4: Simplify right side
    523,703.00x = 285,058,796,252.97
  5. Step 5: Solve for x
    x = 285,058,796,252.97/523,703.00
  6. Step 6: Final answer
    x = 544,313.86

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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.