Finding the Fourth Proportional to 416,607.84, 624,944.16 and 136,153.44
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Solution
The fourth proportional to 416,607.84, 624,944.16 and 136,153.44 is: 204,240.75
Step by Step Solution
- Step 1: Write the proportion equation
416,607.84 : 624,944.16 = 136,153.44 : x - Step 2: Convert to fraction form
416,607.84/624,944.16 = 136,153.44/x - Step 3: Cross multiply
416,607.84x = 624,944.16 × 136,153.44 - Step 4: Simplify right side
416,607.84x = 85,088,297,191.91 - Step 5: Solve for x
x = 85,088,297,191.91/416,607.84 - Step 6: Final answer
x = 204,240.75
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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.