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Finding the Fourth Proportional to 264,413.52, 396,536.04 and 86,879.34

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Solution

The fourth proportional to 264,413.52, 396,536.04 and 86,879.34 is: 130,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,413.52 : 396,536.04 = 86,879.34 : x
  2. Step 2: Convert to fraction form
    264,413.52/396,536.04 = 86,879.34/x
  3. Step 3: Cross multiply
    264,413.52x = 396,536.04 × 86,879.34
  4. Step 4: Simplify right side
    264,413.52x = 34,450,789,441.41
  5. Step 5: Solve for x
    x = 34,450,789,441.41/264,413.52
  6. Step 6: Final answer
    x = 130,291.33

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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.