Finding the Fourth Proportional to 488,701.26, 732,872.07 and 168,771.74
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Solution
The fourth proportional to 488,701.26, 732,872.07 and 168,771.74 is: 253,095.50
Step by Step Solution
- Step 1: Write the proportion equation
488,701.26 : 732,872.07 = 168,771.74 : x - Step 2: Convert to fraction form
488,701.26/732,872.07 = 168,771.74/x - Step 3: Cross multiply
488,701.26x = 732,872.07 × 168,771.74 - Step 4: Simplify right side
488,701.26x = 123,688,090,786.94 - Step 5: Solve for x
x = 123,688,090,786.94/488,701.26 - Step 6: Final answer
x = 253,095.50
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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.