Finding the Fourth Proportional to 296,297.80, 444,446.70 and 74,681.80
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Solution
The fourth proportional to 296,297.80, 444,446.70 and 74,681.80 is: 112,022.70
Step by Step Solution
- Step 1: Write the proportion equation
296,297.80 : 444,446.70 = 74,681.80 : x - Step 2: Convert to fraction form
296,297.80/444,446.70 = 74,681.80/x - Step 3: Cross multiply
296,297.80x = 444,446.70 × 74,681.80 - Step 4: Simplify right side
296,297.80x = 33,192,079,560.06 - Step 5: Solve for x
x = 33,192,079,560.06/296,297.80 - Step 6: Final answer
x = 112,022.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.