Finding the Fourth Proportional to 592,648.23, 817,856.62 and 320,716.05
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Solution
The fourth proportional to 592,648.23, 817,856.62 and 320,716.05 is: 442,589.27
Step by Step Solution
- Step 1: Write the proportion equation
592,648.23 : 817,856.62 = 320,716.05 : x - Step 2: Convert to fraction form
592,648.23/817,856.62 = 320,716.05/x - Step 3: Cross multiply
592,648.23x = 817,856.62 × 320,716.05 - Step 4: Simplify right side
592,648.23x = 262,299,746,897.92 - Step 5: Solve for x
x = 262,299,746,897.92/592,648.23 - Step 6: Final answer
x = 442,589.27
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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.