Finding the Fourth Proportional to 294,708.16, 441,397.60 and 206,356.09
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Solution
The fourth proportional to 294,708.16, 441,397.60 and 206,356.09 is: 309,068.75
Step by Step Solution
- Step 1: Write the proportion equation
294,708.16 : 441,397.60 = 206,356.09 : x - Step 2: Convert to fraction form
294,708.16/441,397.60 = 206,356.09/x - Step 3: Cross multiply
294,708.16x = 441,397.60 × 206,356.09 - Step 4: Simplify right side
294,708.16x = 91,085,082,871.38 - Step 5: Solve for x
x = 91,085,082,871.38/294,708.16 - Step 6: Final answer
x = 309,068.75
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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.