Finding the Fourth Proportional to 424,304.64, 585,394.76 and 263,101.68
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Solution
The fourth proportional to 424,304.64, 585,394.76 and 263,101.68 is: 362,990.01
Step by Step Solution
- Step 1: Write the proportion equation
424,304.64 : 585,394.76 = 263,101.68 : x - Step 2: Convert to fraction form
424,304.64/585,394.76 = 263,101.68/x - Step 3: Cross multiply
424,304.64x = 585,394.76 × 263,101.68 - Step 4: Simplify right side
424,304.64x = 154,018,344,819.20 - Step 5: Solve for x
x = 154,018,344,819.20/424,304.64 - Step 6: Final answer
x = 362,990.01
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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.