Finding the Fourth Proportional to 612,815.26, 919,370.54 and 192,091.14
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Solution
The fourth proportional to 612,815.26, 919,370.54 and 192,091.14 is: 288,182.99
Step by Step Solution
- Step 1: Write the proportion equation
612,815.26 : 919,370.54 = 192,091.14 : x - Step 2: Convert to fraction form
612,815.26/919,370.54 = 192,091.14/x - Step 3: Cross multiply
612,815.26x = 919,370.54 × 192,091.14 - Step 4: Simplify right side
612,815.26x = 176,602,935,111.02 - Step 5: Solve for x
x = 176,602,935,111.02/612,815.26 - Step 6: Final answer
x = 288,182.99
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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.