Finding the Fourth Proportional to 537,722.20, 806,583.30 and 529,427.80
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Solution
The fourth proportional to 537,722.20, 806,583.30 and 529,427.80 is: 794,141.70
Step by Step Solution
- Step 1: Write the proportion equation
537,722.20 : 806,583.30 = 529,427.80 : x - Step 2: Convert to fraction form
537,722.20/806,583.30 = 529,427.80/x - Step 3: Cross multiply
537,722.20x = 806,583.30 × 529,427.80 - Step 4: Simplify right side
537,722.20x = 427,027,622,035.74 - Step 5: Solve for x
x = 427,027,622,035.74/537,722.20 - Step 6: Final answer
x = 794,141.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.