Finding the Fourth Proportional to 320,175.99, 441,825.44 and 176,926.79
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Solution
The fourth proportional to 320,175.99, 441,825.44 and 176,926.79 is: 244,149.34
Step by Step Solution
- Step 1: Write the proportion equation
320,175.99 : 441,825.44 = 176,926.79 : x - Step 2: Convert to fraction form
320,175.99/441,825.44 = 176,926.79/x - Step 3: Cross multiply
320,175.99x = 441,825.44 × 176,926.79 - Step 4: Simplify right side
320,175.99x = 78,170,757,059.47 - Step 5: Solve for x
x = 78,170,757,059.47/320,175.99 - Step 6: Final answer
x = 244,149.34
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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.