Finding the Fourth Proportional to 362,207.36, 543,089.60 and 172,725.68
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Solution
The fourth proportional to 362,207.36, 543,089.60 and 172,725.68 is: 258,982.92
Step by Step Solution
- Step 1: Write the proportion equation
362,207.36 : 543,089.60 = 172,725.68 : x - Step 2: Convert to fraction form
362,207.36/543,089.60 = 172,725.68/x - Step 3: Cross multiply
362,207.36x = 543,089.60 × 172,725.68 - Step 4: Simplify right side
362,207.36x = 93,805,519,597.30 - Step 5: Solve for x
x = 93,805,519,597.30/362,207.36 - Step 6: Final answer
x = 258,982.92
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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.