Finding the Fourth Proportional to 596,563.75, 823,258.11 and 328,291.75
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Solution
The fourth proportional to 596,563.75, 823,258.11 and 328,291.75 is: 453,042.69
Step by Step Solution
- Step 1: Write the proportion equation
596,563.75 : 823,258.11 = 328,291.75 : x - Step 2: Convert to fraction form
596,563.75/823,258.11 = 328,291.75/x - Step 3: Cross multiply
596,563.75x = 823,258.11 × 328,291.75 - Step 4: Simplify right side
596,563.75x = 270,268,845,633.59 - Step 5: Solve for x
x = 270,268,845,633.59/596,563.75 - Step 6: Final answer
x = 453,042.69
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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.