Finding the Fourth Proportional to 424,602.20, 585,959.97 and 233,615.95
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Solution
The fourth proportional to 424,602.20, 585,959.97 and 233,615.95 is: 322,394.92
Step by Step Solution
- Step 1: Write the proportion equation
424,602.20 : 585,959.97 = 233,615.95 : x - Step 2: Convert to fraction form
424,602.20/585,959.97 = 233,615.95/x - Step 3: Cross multiply
424,602.20x = 585,959.97 × 233,615.95 - Step 4: Simplify right side
424,602.20x = 136,889,594,464.68 - Step 5: Solve for x
x = 136,889,594,464.68/424,602.20 - Step 6: Final answer
x = 322,394.92
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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.