Finding the Fourth Proportional to 312,233.74, 430,893.00 and 191,351.67
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Solution
The fourth proportional to 312,233.74, 430,893.00 and 191,351.67 is: 264,071.70
Step by Step Solution
- Step 1: Write the proportion equation
312,233.74 : 430,893.00 = 191,351.67 : x - Step 2: Convert to fraction form
312,233.74/430,893.00 = 191,351.67/x - Step 3: Cross multiply
312,233.74x = 430,893.00 × 191,351.67 - Step 4: Simplify right side
312,233.74x = 82,452,092,030.09 - Step 5: Solve for x
x = 82,452,092,030.09/312,233.74 - Step 6: Final answer
x = 264,071.70
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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.