Finding the Fourth Proportional to 592,649.24, 817,855.91 and 320,717.09
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Solution
The fourth proportional to 592,649.24, 817,855.91 and 320,717.09 is: 442,589.57
Step by Step Solution
- Step 1: Write the proportion equation
592,649.24 : 817,855.91 = 320,717.09 : x - Step 2: Convert to fraction form
592,649.24/817,855.91 = 320,717.09/x - Step 3: Cross multiply
592,649.24x = 817,855.91 × 320,717.09 - Step 4: Simplify right side
592,649.24x = 262,300,369,138.25 - Step 5: Solve for x
x = 262,300,369,138.25/592,649.24 - Step 6: Final answer
x = 442,589.57
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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.