Finding the Fourth Proportional to 335,893.36, 462,992.58 and 226,963.68
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Solution
The fourth proportional to 335,893.36, 462,992.58 and 226,963.68 is: 312,844.83
Step by Step Solution
- Step 1: Write the proportion equation
335,893.36 : 462,992.58 = 226,963.68 : x - Step 2: Convert to fraction form
335,893.36/462,992.58 = 226,963.68/x - Step 3: Cross multiply
335,893.36x = 462,992.58 × 226,963.68 - Step 4: Simplify right side
335,893.36x = 105,082,499,769.49 - Step 5: Solve for x
x = 105,082,499,769.49/335,893.36 - Step 6: Final answer
x = 312,844.83
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1.5x scale
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.