Finding the Fourth Proportional to 675,668.63, 932,422.82 and 369,745.09
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Solution
The fourth proportional to 675,668.63, 932,422.82 and 369,745.09 is: 510,248.28
Step by Step Solution
- Step 1: Write the proportion equation
675,668.63 : 932,422.82 = 369,745.09 : x - Step 2: Convert to fraction form
675,668.63/932,422.82 = 369,745.09/x - Step 3: Cross multiply
675,668.63x = 932,422.82 × 369,745.09 - Step 4: Simplify right side
675,668.63x = 344,758,755,319.17 - Step 5: Solve for x
x = 344,758,755,319.17/675,668.63 - Step 6: Final answer
x = 510,248.28
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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.