Finding the Fourth Proportional to 583,571.70, 805,993.24 and 392,252.94
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Solution
The fourth proportional to 583,571.70, 805,993.24 and 392,252.94 is: 541,755.57
Step by Step Solution
- Step 1: Write the proportion equation
583,571.70 : 805,993.24 = 392,252.94 : x - Step 2: Convert to fraction form
583,571.70/805,993.24 = 392,252.94/x - Step 3: Cross multiply
583,571.70x = 805,993.24 × 392,252.94 - Step 4: Simplify right side
583,571.70x = 316,153,218,010.13 - Step 5: Solve for x
x = 316,153,218,010.13/583,571.70 - Step 6: Final answer
x = 541,755.57
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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.