Finding the Fourth Proportional to 328,896.19, 453,875.84 and 177,993.19
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Solution
The fourth proportional to 328,896.19, 453,875.84 and 177,993.19 is: 245,630.11
Step by Step Solution
- Step 1: Write the proportion equation
328,896.19 : 453,875.84 = 177,993.19 : x - Step 2: Convert to fraction form
328,896.19/453,875.84 = 177,993.19/x - Step 3: Cross multiply
328,896.19x = 453,875.84 × 177,993.19 - Step 4: Simplify right side
328,896.19x = 80,786,806,356.15 - Step 5: Solve for x
x = 80,786,806,356.15/328,896.19 - Step 6: Final answer
x = 245,630.11
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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.