Finding the Fourth Proportional to 533,113.79, 799,711.99 and 178,129.06
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Solution
The fourth proportional to 533,113.79, 799,711.99 and 178,129.06 is: 267,207.39
Step by Step Solution
- Step 1: Write the proportion equation
533,113.79 : 799,711.99 = 178,129.06 : x - Step 2: Convert to fraction form
533,113.79/799,711.99 = 178,129.06/x - Step 3: Cross multiply
533,113.79x = 799,711.99 × 178,129.06 - Step 4: Simplify right side
533,113.79x = 142,451,942,604.83 - Step 5: Solve for x
x = 142,451,942,604.83/533,113.79 - Step 6: Final answer
x = 267,207.39
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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.