Finding the Fourth Proportional to 1,152,850.32, 1,729,296 and 354,138.75
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Solution
The fourth proportional to 1,152,850.32, 1,729,296 and 354,138.75 is: 531,214.43
Step by Step Solution
- Step 1: Write the proportion equation
1,152,850.32 : 1,729,296 = 354,138.75 : x - Step 2: Convert to fraction form
1,152,850.32/1,729,296 = 354,138.75/x - Step 3: Cross multiply
1,152,850.32x = 1,729,296 × 354,138.75 - Step 4: Simplify right side
1,152,850.32x = 612,410,723,820 - Step 5: Solve for x
x = 612,410,723,820/1,152,850.32 - Step 6: Final answer
x = 531,214.43
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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.