Finding the Fourth Proportional to 663,786.09, 995,653.49 and 190,471.41
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Solution
The fourth proportional to 663,786.09, 995,653.49 and 190,471.41 is: 285,699.75
Step by Step Solution
- Step 1: Write the proportion equation
663,786.09 : 995,653.49 = 190,471.41 : x - Step 2: Convert to fraction form
663,786.09/995,653.49 = 190,471.41/x - Step 3: Cross multiply
663,786.09x = 995,653.49 × 190,471.41 - Step 4: Simplify right side
663,786.09x = 189,643,523,159.36 - Step 5: Solve for x
x = 189,643,523,159.36/663,786.09 - Step 6: Final answer
x = 285,699.75
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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.