Finding the Fourth Proportional to 548,743.80, 823,115.70 and 233,159.70
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Solution
The fourth proportional to 548,743.80, 823,115.70 and 233,159.70 is: 349,739.55
Step by Step Solution
- Step 1: Write the proportion equation
548,743.80 : 823,115.70 = 233,159.70 : x - Step 2: Convert to fraction form
548,743.80/823,115.70 = 233,159.70/x - Step 3: Cross multiply
548,743.80x = 823,115.70 × 233,159.70 - Step 4: Simplify right side
548,743.80x = 191,917,409,677.29 - Step 5: Solve for x
x = 191,917,409,677.29/548,743.80 - Step 6: Final answer
x = 349,739.55
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Similar ratio
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1.5x scale
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.