Finding the Fourth Proportional to 319,577.52, 440,995.15 and 176,339.95
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Solution
The fourth proportional to 319,577.52, 440,995.15 and 176,339.95 is: 243,337.09
Step by Step Solution
- Step 1: Write the proportion equation
319,577.52 : 440,995.15 = 176,339.95 : x - Step 2: Convert to fraction form
319,577.52/440,995.15 = 176,339.95/x - Step 3: Cross multiply
319,577.52x = 440,995.15 × 176,339.95 - Step 4: Simplify right side
319,577.52x = 77,765,064,299.78 - Step 5: Solve for x
x = 77,765,064,299.78/319,577.52 - Step 6: Final answer
x = 243,337.09
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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.