Finding the Fourth Proportional to 425,832.77, 587,649.76 and 232,240.79
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Solution
The fourth proportional to 425,832.77, 587,649.76 and 232,240.79 is: 320,492.58
Step by Step Solution
- Step 1: Write the proportion equation
425,832.77 : 587,649.76 = 232,240.79 : x - Step 2: Convert to fraction form
425,832.77/587,649.76 = 232,240.79/x - Step 3: Cross multiply
425,832.77x = 587,649.76 × 232,240.79 - Step 4: Simplify right side
425,832.77x = 136,476,245,394.23 - Step 5: Solve for x
x = 136,476,245,394.23/425,832.77 - Step 6: Final answer
x = 320,492.58
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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.