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Finding the Fourth Proportional to 541,413.70, 813,323.40 and 452,840.20

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Solution

The fourth proportional to 541,413.70, 813,323.40 and 452,840.20 is: 680,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,413.70 : 813,323.40 = 452,840.20 : x
  2. Step 2: Convert to fraction form
    541,413.70/813,323.40 = 452,840.20/x
  3. Step 3: Cross multiply
    541,413.70x = 813,323.40 × 452,840.20
  4. Step 4: Simplify right side
    541,413.70x = 368,305,531,120.68
  5. Step 5: Solve for x
    x = 368,305,531,120.68/541,413.70
  6. Step 6: Final answer
    x = 680,266.37

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1.5x scale

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.