Finding the Fourth Proportional to 319,252.30, 440,571.36 and 176,008.66
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Solution
The fourth proportional to 319,252.30, 440,571.36 and 176,008.66 is: 242,893.71
Step by Step Solution
- Step 1: Write the proportion equation
319,252.30 : 440,571.36 = 176,008.66 : x - Step 2: Convert to fraction form
319,252.30/440,571.36 = 176,008.66/x - Step 3: Cross multiply
319,252.30x = 440,571.36 × 176,008.66 - Step 4: Simplify right side
319,252.30x = 77,544,374,707.98 - Step 5: Solve for x
x = 77,544,374,707.98/319,252.30 - Step 6: Final answer
x = 242,893.71
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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.