Finding the Fourth Proportional to 317,276.58, 437,841.68 and 174,036.96
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Solution
The fourth proportional to 317,276.58, 437,841.68 and 174,036.96 is: 240,171.01
Step by Step Solution
- Step 1: Write the proportion equation
317,276.58 : 437,841.68 = 174,036.96 : x - Step 2: Convert to fraction form
317,276.58/437,841.68 = 174,036.96/x - Step 3: Cross multiply
317,276.58x = 437,841.68 × 174,036.96 - Step 4: Simplify right side
317,276.58x = 76,200,635,799.22 - Step 5: Solve for x
x = 76,200,635,799.22/317,276.58 - Step 6: Final answer
x = 240,171.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.