Finding the Fourth Proportional to 410,867.40, 616,301.10 and 374,125.80
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Solution
The fourth proportional to 410,867.40, 616,301.10 and 374,125.80 is: 561,188.70
Step by Step Solution
- Step 1: Write the proportion equation
410,867.40 : 616,301.10 = 374,125.80 : x - Step 2: Convert to fraction form
410,867.40/616,301.10 = 374,125.80/x - Step 3: Cross multiply
410,867.40x = 616,301.10 × 374,125.80 - Step 4: Simplify right side
410,867.40x = 230,574,142,078.38 - Step 5: Solve for x
x = 230,574,142,078.38/410,867.40 - Step 6: Final answer
x = 561,188.70
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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.