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Finding the Fourth Proportional to 872,413.44, 1,308,714 and 367,025.88

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Solution

The fourth proportional to 872,413.44, 1,308,714 and 367,025.88 is: 550,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,413.44 : 1,308,714 = 367,025.88 : x
  2. Step 2: Convert to fraction form
    872,413.44/1,308,714 = 367,025.88/x
  3. Step 3: Cross multiply
    872,413.44x = 1,308,714 × 367,025.88
  4. Step 4: Simplify right side
    872,413.44x = 480,331,907,518.32
  5. Step 5: Solve for x
    x = 480,331,907,518.32/872,413.44
  6. Step 6: Final answer
    x = 550,578.30

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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.