Finding the Fourth Proportional to 404,253.99, 557,922.06 and 336,153.78
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Solution
The fourth proportional to 404,253.99, 557,922.06 and 336,153.78 is: 463,935.09
Step by Step Solution
- Step 1: Write the proportion equation
404,253.99 : 557,922.06 = 336,153.78 : x - Step 2: Convert to fraction form
404,253.99/557,922.06 = 336,153.78/x - Step 3: Cross multiply
404,253.99x = 557,922.06 × 336,153.78 - Step 4: Simplify right side
404,253.99x = 187,547,609,414.39 - Step 5: Solve for x
x = 187,547,609,414.39/404,253.99 - Step 6: Final answer
x = 463,935.09
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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.