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Finding the Fourth Proportional to 941,651.80, 1,410,404.10 and 659,642.20

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Solution

The fourth proportional to 941,651.80, 1,410,404.10 and 659,642.20 is: 988,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,651.80 : 1,410,404.10 = 659,642.20 : x
  2. Step 2: Convert to fraction form
    941,651.80/1,410,404.10 = 659,642.20/x
  3. Step 3: Cross multiply
    941,651.80x = 1,410,404.10 × 659,642.20
  4. Step 4: Simplify right side
    941,651.80x = 930,362,063,413.02
  5. Step 5: Solve for x
    x = 930,362,063,413.02/941,651.80
  6. Step 6: Final answer
    x = 988,010.71

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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.