Finding the Fourth Proportional to 691,930.05, 1,037,824.99 and 186,542.12
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Solution
The fourth proportional to 691,930.05, 1,037,824.99 and 186,542.12 is: 279,794.28
Step by Step Solution
- Step 1: Write the proportion equation
691,930.05 : 1,037,824.99 = 186,542.12 : x - Step 2: Convert to fraction form
691,930.05/1,037,824.99 = 186,542.12/x - Step 3: Cross multiply
691,930.05x = 1,037,824.99 × 186,542.12 - Step 4: Simplify right side
691,930.05x = 193,598,068,168.10 - Step 5: Solve for x
x = 193,598,068,168.10/691,930.05 - Step 6: Final answer
x = 279,794.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.