Finding the Fourth Proportional to 663,075.48, 994,612.32 and 307,895.28
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Solution
The fourth proportional to 663,075.48, 994,612.32 and 307,895.28 is: 461,842.50
Step by Step Solution
- Step 1: Write the proportion equation
663,075.48 : 994,612.32 = 307,895.28 : x - Step 2: Convert to fraction form
663,075.48/994,612.32 = 307,895.28/x - Step 3: Cross multiply
663,075.48x = 994,612.32 × 307,895.28 - Step 4: Simplify right side
663,075.48x = 306,236,438,757.85 - Step 5: Solve for x
x = 306,236,438,757.85/663,075.48 - Step 6: Final answer
x = 461,842.50
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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.