Finding the Fourth Proportional to 358,992.44, 538,552.70 and 119,120.75
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Solution
The fourth proportional to 358,992.44, 538,552.70 and 119,120.75 is: 178,702.37
Step by Step Solution
- Step 1: Write the proportion equation
358,992.44 : 538,552.70 = 119,120.75 : x - Step 2: Convert to fraction form
358,992.44/538,552.70 = 119,120.75/x - Step 3: Cross multiply
358,992.44x = 538,552.70 × 119,120.75 - Step 4: Simplify right side
358,992.44x = 64,152,800,942.92 - Step 5: Solve for x
x = 64,152,800,942.92/358,992.44 - Step 6: Final answer
x = 178,702.37
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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.