Finding the Fourth Proportional to 476,863.04, 715,292.74 and 121,876.49
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Solution
The fourth proportional to 476,863.04, 715,292.74 and 121,876.49 is: 182,814.27
Step by Step Solution
- Step 1: Write the proportion equation
476,863.04 : 715,292.74 = 121,876.49 : x - Step 2: Convert to fraction form
476,863.04/715,292.74 = 121,876.49/x - Step 3: Cross multiply
476,863.04x = 715,292.74 × 121,876.49 - Step 4: Simplify right side
476,863.04x = 87,177,369,957.22 - Step 5: Solve for x
x = 87,177,369,957.22/476,863.04 - Step 6: Final answer
x = 182,814.27
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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.