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Finding the Fourth Proportional to 441,363.90, 609,063.75 and 250,413.28

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Solution

The fourth proportional to 441,363.90, 609,063.75 and 250,413.28 is: 345,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,363.90 : 609,063.75 = 250,413.28 : x
  2. Step 2: Convert to fraction form
    441,363.90/609,063.75 = 250,413.28/x
  3. Step 3: Cross multiply
    441,363.90x = 609,063.75 × 250,413.28
  4. Step 4: Simplify right side
    441,363.90x = 152,517,651,366.60
  5. Step 5: Solve for x
    x = 152,517,651,366.60/441,363.90
  6. Step 6: Final answer
    x = 345,559.87

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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.