Finding the Fourth Proportional to 424,476.16, 585,796.80 and 233,486.08
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Solution
The fourth proportional to 424,476.16, 585,796.80 and 233,486.08 is: 322,221.63
Step by Step Solution
- Step 1: Write the proportion equation
424,476.16 : 585,796.80 = 233,486.08 : x - Step 2: Convert to fraction form
424,476.16/585,796.80 = 233,486.08/x - Step 3: Cross multiply
424,476.16x = 585,796.80 × 233,486.08 - Step 4: Simplify right side
424,476.16x = 136,775,398,508.54 - Step 5: Solve for x
x = 136,775,398,508.54/424,476.16 - Step 6: Final answer
x = 322,221.63
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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.