Finding the Fourth Proportional to 454,420.15, 627,099.84 and 263,544.26
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Solution
The fourth proportional to 454,420.15, 627,099.84 and 263,544.26 is: 363,691.09
Step by Step Solution
- Step 1: Write the proportion equation
454,420.15 : 627,099.84 = 263,544.26 : x - Step 2: Convert to fraction form
454,420.15/627,099.84 = 263,544.26/x - Step 3: Cross multiply
454,420.15x = 627,099.84 × 263,544.26 - Step 4: Simplify right side
454,420.15x = 165,268,560,143.42 - Step 5: Solve for x
x = 165,268,560,143.42/454,420.15 - Step 6: Final answer
x = 363,691.09
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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.