Finding the Fourth Proportional to 328,663.19, 453,555.24 and 177,760.19
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Solution
The fourth proportional to 328,663.19, 453,555.24 and 177,760.19 is: 245,309.08
Step by Step Solution
- Step 1: Write the proportion equation
328,663.19 : 453,555.24 = 177,760.19 : x - Step 2: Convert to fraction form
328,663.19/453,555.24 = 177,760.19/x - Step 3: Cross multiply
328,663.19x = 453,555.24 × 177,760.19 - Step 4: Simplify right side
328,663.19x = 80,624,064,749.09 - Step 5: Solve for x
x = 80,624,064,749.09/328,663.19 - Step 6: Final answer
x = 245,309.08
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1.5x scale
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.