Finding the Fourth Proportional to 319,666.74, 441,116.58 and 183,700.95
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Solution
The fourth proportional to 319,666.74, 441,116.58 and 183,700.95 is: 253,493.79
Step by Step Solution
- Step 1: Write the proportion equation
319,666.74 : 441,116.58 = 183,700.95 : x - Step 2: Convert to fraction form
319,666.74/441,116.58 = 183,700.95/x - Step 3: Cross multiply
319,666.74x = 441,116.58 × 183,700.95 - Step 4: Simplify right side
319,666.74x = 81,033,534,806.75 - Step 5: Solve for x
x = 81,033,534,806.75/319,666.74 - Step 6: Final answer
x = 253,493.79
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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.