Finding the Fourth Proportional to 327,828.08, 491,431.08 and 117,357.68
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Solution
The fourth proportional to 327,828.08, 491,431.08 and 117,357.68 is: 175,925.17
Step by Step Solution
- Step 1: Write the proportion equation
327,828.08 : 491,431.08 = 117,357.68 : x - Step 2: Convert to fraction form
327,828.08/491,431.08 = 117,357.68/x - Step 3: Cross multiply
327,828.08x = 491,431.08 × 117,357.68 - Step 4: Simplify right side
327,828.08x = 57,673,211,428.69 - Step 5: Solve for x
x = 57,673,211,428.69/327,828.08 - Step 6: Final answer
x = 175,925.17
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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.