Finding the Fourth Proportional to 691,205.05, 1,036,807.58 and 192,569.05
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Solution
The fourth proportional to 691,205.05, 1,036,807.58 and 192,569.05 is: 288,853.58
Step by Step Solution
- Step 1: Write the proportion equation
691,205.05 : 1,036,807.58 = 192,569.05 : x - Step 2: Convert to fraction form
691,205.05/1,036,807.58 = 192,569.05/x - Step 3: Cross multiply
691,205.05x = 1,036,807.58 × 192,569.05 - Step 4: Simplify right side
691,205.05x = 199,657,050,713.40 - Step 5: Solve for x
x = 199,657,050,713.40/691,205.05 - Step 6: Final answer
x = 288,853.58
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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.