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Finding the Fourth Proportional to 966,413.60, 1,449,620.40 and 699,610.40

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Solution

The fourth proportional to 966,413.60, 1,449,620.40 and 699,610.40 is: 1,049,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,413.60 : 1,449,620.40 = 699,610.40 : x
  2. Step 2: Convert to fraction form
    966,413.60/1,449,620.40 = 699,610.40/x
  3. Step 3: Cross multiply
    966,413.60x = 1,449,620.40 × 699,610.40
  4. Step 4: Simplify right side
    966,413.60x = 1,014,169,507,892.16
  5. Step 5: Solve for x
    x = 1,014,169,507,892.16/966,413.60
  6. Step 6: Final answer
    x = 1,049,415.60

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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.