Finding the Fourth Proportional to 354,937.40, 532,406.10 and 327,903.80
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Solution
The fourth proportional to 354,937.40, 532,406.10 and 327,903.80 is: 491,855.70
Step by Step Solution
- Step 1: Write the proportion equation
354,937.40 : 532,406.10 = 327,903.80 : x - Step 2: Convert to fraction form
354,937.40/532,406.10 = 327,903.80/x - Step 3: Cross multiply
354,937.40x = 532,406.10 × 327,903.80 - Step 4: Simplify right side
354,937.40x = 174,577,983,333.18 - Step 5: Solve for x
x = 174,577,983,333.18/354,937.40 - Step 6: Final answer
x = 491,855.70
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1.5x scale
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.