Finding the Fourth Proportional to 354,339.36, 488,992.14 and 193,193.10
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Solution
The fourth proportional to 354,339.36, 488,992.14 and 193,193.10 is: 266,608.56
Step by Step Solution
- Step 1: Write the proportion equation
354,339.36 : 488,992.14 = 193,193.10 : x - Step 2: Convert to fraction form
354,339.36/488,992.14 = 193,193.10/x - Step 3: Cross multiply
354,339.36x = 488,992.14 × 193,193.10 - Step 4: Simplify right side
354,339.36x = 94,469,907,402.23 - Step 5: Solve for x
x = 94,469,907,402.23/354,339.36 - Step 6: Final answer
x = 266,608.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.