Finding the Fourth Proportional to 322,966.62, 445,684.95 and 179,731.74
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Solution
The fourth proportional to 322,966.62, 445,684.95 and 179,731.74 is: 248,024.80
Step by Step Solution
- Step 1: Write the proportion equation
322,966.62 : 445,684.95 = 179,731.74 : x - Step 2: Convert to fraction form
322,966.62/445,684.95 = 179,731.74/x - Step 3: Cross multiply
322,966.62x = 445,684.95 × 179,731.74 - Step 4: Simplify right side
322,966.62x = 80,103,731,555.31 - Step 5: Solve for x
x = 80,103,731,555.31/322,966.62 - Step 6: Final answer
x = 248,024.80
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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.