Finding the Fourth Proportional to 353,534.26, 487,872.21 and 194,558.26
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Solution
The fourth proportional to 353,534.26, 487,872.21 and 194,558.26 is: 268,487.61
Step by Step Solution
- Step 1: Write the proportion equation
353,534.26 : 487,872.21 = 194,558.26 : x - Step 2: Convert to fraction form
353,534.26/487,872.21 = 194,558.26/x - Step 3: Cross multiply
353,534.26x = 487,872.21 × 194,558.26 - Step 4: Simplify right side
353,534.26x = 94,919,568,279.95 - Step 5: Solve for x
x = 94,919,568,279.95/353,534.26 - Step 6: Final answer
x = 268,487.61
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1.5x scale
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.