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Finding the Fourth Proportional to 259,305.30, 388,817.55 and 116,984.25

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Solution

The fourth proportional to 259,305.30, 388,817.55 and 116,984.25 is: 175,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,305.30 : 388,817.55 = 116,984.25 : x
  2. Step 2: Convert to fraction form
    259,305.30/388,817.55 = 116,984.25/x
  3. Step 3: Cross multiply
    259,305.30x = 388,817.55 × 116,984.25
  4. Step 4: Simplify right side
    259,305.30x = 45,485,529,473.59
  5. Step 5: Solve for x
    x = 45,485,529,473.59/259,305.30
  6. Step 6: Final answer
    x = 175,413.03

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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.