Finding the Fourth Proportional to 488,841.36, 733,262.58 and 133,858.44
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Solution
The fourth proportional to 488,841.36, 733,262.58 and 133,858.44 is: 200,787.81
Step by Step Solution
- Step 1: Write the proportion equation
488,841.36 : 733,262.58 = 133,858.44 : x - Step 2: Convert to fraction form
488,841.36/733,262.58 = 133,858.44/x - Step 3: Cross multiply
488,841.36x = 733,262.58 × 133,858.44 - Step 4: Simplify right side
488,841.36x = 98,153,385,069.18 - Step 5: Solve for x
x = 98,153,385,069.18/488,841.36 - Step 6: Final answer
x = 200,787.81
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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.