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Finding the Fourth Proportional to 844,413.76, 1,165,292.76 and 457,233.40

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Solution

The fourth proportional to 844,413.76, 1,165,292.76 and 457,233.40 is: 630,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,413.76 : 1,165,292.76 = 457,233.40 : x
  2. Step 2: Convert to fraction form
    844,413.76/1,165,292.76 = 457,233.40/x
  3. Step 3: Cross multiply
    844,413.76x = 1,165,292.76 × 457,233.40
  4. Step 4: Simplify right side
    844,413.76x = 532,810,770,650.18
  5. Step 5: Solve for x
    x = 532,810,770,650.18/844,413.76
  6. Step 6: Final answer
    x = 630,983.05

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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.