Finding the Fourth Proportional to 423,183.86, 584,003.91 and 232,197.09
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Solution
The fourth proportional to 423,183.86, 584,003.91 and 232,197.09 is: 320,437.58
Step by Step Solution
- Step 1: Write the proportion equation
423,183.86 : 584,003.91 = 232,197.09 : x - Step 2: Convert to fraction form
423,183.86/584,003.91 = 232,197.09/x - Step 3: Cross multiply
423,183.86x = 584,003.91 × 232,197.09 - Step 4: Simplify right side
423,183.86x = 135,604,008,450.62 - Step 5: Solve for x
x = 135,604,008,450.62/423,183.86 - Step 6: Final answer
x = 320,437.58
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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.