Finding the Fourth Proportional to 620,291.37, 930,566.18 and 193,809.96
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Solution
The fourth proportional to 620,291.37, 930,566.18 and 193,809.96 is: 290,755.28
Step by Step Solution
- Step 1: Write the proportion equation
620,291.37 : 930,566.18 = 193,809.96 : x - Step 2: Convert to fraction form
620,291.37/930,566.18 = 193,809.96/x - Step 3: Cross multiply
620,291.37x = 930,566.18 × 193,809.96 - Step 4: Simplify right side
620,291.37x = 180,352,993,154.10 - Step 5: Solve for x
x = 180,352,993,154.10/620,291.37 - Step 6: Final answer
x = 290,755.28
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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.