Finding the Fourth Proportional to 606,691.75, 837,234.62 and 338,419.75
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Solution
The fourth proportional to 606,691.75, 837,234.62 and 338,419.75 is: 467,019.26
Step by Step Solution
- Step 1: Write the proportion equation
606,691.75 : 837,234.62 = 338,419.75 : x - Step 2: Convert to fraction form
606,691.75/837,234.62 = 338,419.75/x - Step 3: Cross multiply
606,691.75x = 837,234.62 × 338,419.75 - Step 4: Simplify right side
606,691.75x = 283,336,730,791.75 - Step 5: Solve for x
x = 283,336,730,791.75/606,691.75 - Step 6: Final answer
x = 467,019.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.