Finding the Fourth Proportional to 478,714.12, 718,069.02 and 123,697.96
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Solution
The fourth proportional to 478,714.12, 718,069.02 and 123,697.96 is: 185,546.38
Step by Step Solution
- Step 1: Write the proportion equation
478,714.12 : 718,069.02 = 123,697.96 : x - Step 2: Convert to fraction form
478,714.12/718,069.02 = 123,697.96/x - Step 3: Cross multiply
478,714.12x = 718,069.02 × 123,697.96 - Step 4: Simplify right side
478,714.12x = 88,823,672,913.20 - Step 5: Solve for x
x = 88,823,672,913.20/478,714.12 - Step 6: Final answer
x = 185,546.38
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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.