Finding the Fourth Proportional to 319,771.23, 441,272.72 and 176,528.19
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Solution
The fourth proportional to 319,771.23, 441,272.72 and 176,528.19 is: 243,602.51
Step by Step Solution
- Step 1: Write the proportion equation
319,771.23 : 441,272.72 = 176,528.19 : x - Step 2: Convert to fraction form
319,771.23/441,272.72 = 176,528.19/x - Step 3: Cross multiply
319,771.23x = 441,272.72 × 176,528.19 - Step 4: Simplify right side
319,771.23x = 77,897,074,557.98 - Step 5: Solve for x
x = 77,897,074,557.98/319,771.23 - Step 6: Final answer
x = 243,602.51
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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.