Finding the Fourth Proportional to 922,129.20, 1,383,193.80 and 922,129.20
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Solution
The fourth proportional to 922,129.20, 1,383,193.80 and 922,129.20 is: 1,383,193.80
Step by Step Solution
- Step 1: Write the proportion equation
922,129.20 : 1,383,193.80 = 922,129.20 : x - Step 2: Convert to fraction form
922,129.20/1,383,193.80 = 922,129.20/x - Step 3: Cross multiply
922,129.20x = 1,383,193.80 × 922,129.20 - Step 4: Simplify right side
922,129.20x = 1,275,483,392,238.96 - Step 5: Solve for x
x = 1,275,483,392,238.96/922,129.20 - Step 6: Final answer
x = 1,383,193.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.