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Finding the Fourth Proportional to 293,552.60, 405,226.62 and 198,188.48

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Solution

The fourth proportional to 293,552.60, 405,226.62 and 198,188.48 is: 273,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,552.60 : 405,226.62 = 198,188.48 : x
  2. Step 2: Convert to fraction form
    293,552.60/405,226.62 = 198,188.48/x
  3. Step 3: Cross multiply
    293,552.60x = 405,226.62 × 198,188.48
  4. Step 4: Simplify right side
    293,552.60x = 80,311,247,873.34
  5. Step 5: Solve for x
    x = 80,311,247,873.34/293,552.60
  6. Step 6: Final answer
    x = 273,583.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.