Finding the Fourth Proportional to 336,243.49, 464,043.79 and 193,031.17
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Solution
The fourth proportional to 336,243.49, 464,043.79 and 193,031.17 is: 266,398.96
Step by Step Solution
- Step 1: Write the proportion equation
336,243.49 : 464,043.79 = 193,031.17 : x - Step 2: Convert to fraction form
336,243.49/464,043.79 = 193,031.17/x - Step 3: Cross multiply
336,243.49x = 464,043.79 × 193,031.17 - Step 4: Simplify right side
336,243.49x = 89,574,915,714.93 - Step 5: Solve for x
x = 89,574,915,714.93/336,243.49 - Step 6: Final answer
x = 266,398.96
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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.