Finding the Fourth Proportional to 292,482.44, 438,660.28 and 170,821.66
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Solution
The fourth proportional to 292,482.44, 438,660.28 and 170,821.66 is: 256,195.47
Step by Step Solution
- Step 1: Write the proportion equation
292,482.44 : 438,660.28 = 170,821.66 : x - Step 2: Convert to fraction form
292,482.44/438,660.28 = 170,821.66/x - Step 3: Cross multiply
292,482.44x = 438,660.28 × 170,821.66 - Step 4: Simplify right side
292,482.44x = 74,932,677,205.66 - Step 5: Solve for x
x = 74,932,677,205.66/292,482.44 - Step 6: Final answer
x = 256,195.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.