Finding the Fourth Proportional to 293,897.14, 405,507.09 and 186,428.14
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Solution
The fourth proportional to 293,897.14, 405,507.09 and 186,428.14 is: 257,225.82
Step by Step Solution
- Step 1: Write the proportion equation
293,897.14 : 405,507.09 = 186,428.14 : x - Step 2: Convert to fraction form
293,897.14/405,507.09 = 186,428.14/x - Step 3: Cross multiply
293,897.14x = 405,507.09 × 186,428.14 - Step 4: Simplify right side
293,897.14x = 75,597,932,545.51 - Step 5: Solve for x
x = 75,597,932,545.51/293,897.14 - Step 6: Final answer
x = 257,225.82
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1.5x scale
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.