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Finding the Fourth Proportional to 308,147.60, 461,724.60 and 174,630.80

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Solution

The fourth proportional to 308,147.60, 461,724.60 and 174,630.80 is: 261,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,147.60 : 461,724.60 = 174,630.80 : x
  2. Step 2: Convert to fraction form
    308,147.60/461,724.60 = 174,630.80/x
  3. Step 3: Cross multiply
    308,147.60x = 461,724.60 × 174,630.80
  4. Step 4: Simplify right side
    308,147.60x = 80,631,336,277.68
  5. Step 5: Solve for x
    x = 80,631,336,277.68/308,147.60
  6. Step 6: Final answer
    x = 261,664.66

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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.