Finding the Fourth Proportional to 426,161.68, 588,115.10 and 235,187.12
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Solution
The fourth proportional to 426,161.68, 588,115.10 and 235,187.12 is: 324,564.84
Step by Step Solution
- Step 1: Write the proportion equation
426,161.68 : 588,115.10 = 235,187.12 : x - Step 2: Convert to fraction form
426,161.68/588,115.10 = 235,187.12/x - Step 3: Cross multiply
426,161.68x = 588,115.10 × 235,187.12 - Step 4: Simplify right side
426,161.68x = 138,317,096,597.51 - Step 5: Solve for x
x = 138,317,096,597.51/426,161.68 - Step 6: Final answer
x = 324,564.84
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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.