Finding the Fourth Proportional to 322,202.28, 444,639.28 and 178,975.68
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Solution
The fourth proportional to 322,202.28, 444,639.28 and 178,975.68 is: 246,986.51
Step by Step Solution
- Step 1: Write the proportion equation
322,202.28 : 444,639.28 = 178,975.68 : x - Step 2: Convert to fraction form
322,202.28/444,639.28 = 178,975.68/x - Step 3: Cross multiply
322,202.28x = 444,639.28 × 178,975.68 - Step 4: Simplify right side
322,202.28x = 79,579,617,492.71 - Step 5: Solve for x
x = 79,579,617,492.71/322,202.28 - Step 6: Final answer
x = 246,986.51
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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.