Finding the Fourth Proportional to 366,408.36, 549,546.66 and 129,752.28
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Solution
The fourth proportional to 366,408.36, 549,546.66 and 129,752.28 is: 194,605.09
Step by Step Solution
- Step 1: Write the proportion equation
366,408.36 : 549,546.66 = 129,752.28 : x - Step 2: Convert to fraction form
366,408.36/549,546.66 = 129,752.28/x - Step 3: Cross multiply
366,408.36x = 549,546.66 × 129,752.28 - Step 4: Simplify right side
366,408.36x = 71,304,932,101.38 - Step 5: Solve for x
x = 71,304,932,101.38/366,408.36 - Step 6: Final answer
x = 194,605.09
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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.