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Finding the Fourth Proportional to 334,091.40, 501,185.70 and 109,413.60

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Solution

The fourth proportional to 334,091.40, 501,185.70 and 109,413.60 is: 164,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,091.40 : 501,185.70 = 109,413.60 : x
  2. Step 2: Convert to fraction form
    334,091.40/501,185.70 = 109,413.60/x
  3. Step 3: Cross multiply
    334,091.40x = 501,185.70 × 109,413.60
  4. Step 4: Simplify right side
    334,091.40x = 54,836,531,705.52
  5. Step 5: Solve for x
    x = 54,836,531,705.52/334,091.40
  6. Step 6: Final answer
    x = 164,136.32

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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.