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Finding the Fourth Proportional to 395,703.27, 593,489.70 and 111,413.52

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Solution

The fourth proportional to 395,703.27, 593,489.70 and 111,413.52 is: 167,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,703.27 : 593,489.70 = 111,413.52 : x
  2. Step 2: Convert to fraction form
    395,703.27/593,489.70 = 111,413.52/x
  3. Step 3: Cross multiply
    395,703.27x = 593,489.70 × 111,413.52
  4. Step 4: Simplify right side
    395,703.27x = 66,122,776,560.74
  5. Step 5: Solve for x
    x = 66,122,776,560.74/395,703.27
  6. Step 6: Final answer
    x = 167,101.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.