Finding the Fourth Proportional to 292,505.69, 403,652.93 and 163,446.26
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Solution
The fourth proportional to 292,505.69, 403,652.93 and 163,446.26 is: 225,553.08
Step by Step Solution
- Step 1: Write the proportion equation
292,505.69 : 403,652.93 = 163,446.26 : x - Step 2: Convert to fraction form
292,505.69/403,652.93 = 163,446.26/x - Step 3: Cross multiply
292,505.69x = 403,652.93 × 163,446.26 - Step 4: Simplify right side
292,505.69x = 65,975,558,911.05 - Step 5: Solve for x
x = 65,975,558,911.05/292,505.69 - Step 6: Final answer
x = 225,553.08
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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.