Finding the Fourth Proportional to 408,274.07, 563,386.28 and 226,974.96
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Solution
The fourth proportional to 408,274.07, 563,386.28 and 226,974.96 is: 313,207.69
Step by Step Solution
- Step 1: Write the proportion equation
408,274.07 : 563,386.28 = 226,974.96 : x - Step 2: Convert to fraction form
408,274.07/563,386.28 = 226,974.96/x - Step 3: Cross multiply
408,274.07x = 563,386.28 × 226,974.96 - Step 4: Simplify right side
408,274.07x = 127,874,577,232.67 - Step 5: Solve for x
x = 127,874,577,232.67/408,274.07 - Step 6: Final answer
x = 313,207.69
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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.