Finding the Fourth Proportional to 416,993.36, 625,474.36 and 121,497.68
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Solution
The fourth proportional to 416,993.36, 625,474.36 and 121,497.68 is: 182,241.95
Step by Step Solution
- Step 1: Write the proportion equation
416,993.36 : 625,474.36 = 121,497.68 : x - Step 2: Convert to fraction form
416,993.36/625,474.36 = 121,497.68/x - Step 3: Cross multiply
416,993.36x = 625,474.36 × 121,497.68 - Step 4: Simplify right side
416,993.36x = 75,993,683,639.48 - Step 5: Solve for x
x = 75,993,683,639.48/416,993.36 - Step 6: Final answer
x = 182,241.95
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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.