Finding the Fourth Proportional to 368,332.54, 508,243.14 and 207,227.19
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Solution
The fourth proportional to 368,332.54, 508,243.14 and 207,227.19 is: 285,942.15
Step by Step Solution
- Step 1: Write the proportion equation
368,332.54 : 508,243.14 = 207,227.19 : x - Step 2: Convert to fraction form
368,332.54/508,243.14 = 207,227.19/x - Step 3: Cross multiply
368,332.54x = 508,243.14 × 207,227.19 - Step 4: Simplify right side
368,332.54x = 105,321,797,738.98 - Step 5: Solve for x
x = 105,321,797,738.98/368,332.54 - Step 6: Final answer
x = 285,942.15
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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.