Finding the Fourth Proportional to 351,107.60, 484,528.23 and 198,177.98
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Solution
The fourth proportional to 351,107.60, 484,528.23 and 198,177.98 is: 273,485.46
Step by Step Solution
- Step 1: Write the proportion equation
351,107.60 : 484,528.23 = 198,177.98 : x - Step 2: Convert to fraction form
351,107.60/484,528.23 = 198,177.98/x - Step 3: Cross multiply
351,107.60x = 484,528.23 × 198,177.98 - Step 4: Simplify right side
351,107.60x = 96,022,823,451.73 - Step 5: Solve for x
x = 96,022,823,451.73/351,107.60 - Step 6: Final answer
x = 273,485.46
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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.