Finding the Fourth Proportional to 328,643.19, 453,527.60 and 177,740.19
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Solution
The fourth proportional to 328,643.19, 453,527.60 and 177,740.19 is: 245,281.46
Step by Step Solution
- Step 1: Write the proportion equation
328,643.19 : 453,527.60 = 177,740.19 : x - Step 2: Convert to fraction form
328,643.19/453,527.60 = 177,740.19/x - Step 3: Cross multiply
328,643.19x = 453,527.60 × 177,740.19 - Step 4: Simplify right side
328,643.19x = 80,610,081,104.78 - Step 5: Solve for x
x = 80,610,081,104.78/328,643.19 - Step 6: Final answer
x = 245,281.46
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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.