Finding the Fourth Proportional to 471,538.74, 650,696.97 and 256,665.99
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Solution
The fourth proportional to 471,538.74, 650,696.97 and 256,665.99 is: 354,184.65
Step by Step Solution
- Step 1: Write the proportion equation
471,538.74 : 650,696.97 = 256,665.99 : x - Step 2: Convert to fraction form
471,538.74/650,696.97 = 256,665.99/x - Step 3: Cross multiply
471,538.74x = 650,696.97 × 256,665.99 - Step 4: Simplify right side
471,538.74x = 167,011,781,995.05 - Step 5: Solve for x
x = 167,011,781,995.05/471,538.74 - Step 6: Final answer
x = 354,184.65
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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.