Finding the Fourth Proportional to 328,388.97, 453,176.10 and 185,148.03
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Solution
The fourth proportional to 328,388.97, 453,176.10 and 185,148.03 is: 255,503.90
Step by Step Solution
- Step 1: Write the proportion equation
328,388.97 : 453,176.10 = 185,148.03 : x - Step 2: Convert to fraction form
328,388.97/453,176.10 = 185,148.03/x - Step 3: Cross multiply
328,388.97x = 453,176.10 × 185,148.03 - Step 4: Simplify right side
328,388.97x = 83,904,662,158.08 - Step 5: Solve for x
x = 83,904,662,158.08/328,388.97 - Step 6: Final answer
x = 255,503.90
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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.