Finding the Fourth Proportional to 416,252.13, 574,428.65 and 225,265.67
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Solution
The fourth proportional to 416,252.13, 574,428.65 and 225,265.67 is: 310,867.01
Step by Step Solution
- Step 1: Write the proportion equation
416,252.13 : 574,428.65 = 225,265.67 : x - Step 2: Convert to fraction form
416,252.13/574,428.65 = 225,265.67/x - Step 3: Cross multiply
416,252.13x = 574,428.65 × 225,265.67 - Step 4: Simplify right side
416,252.13x = 129,399,052,865.08 - Step 5: Solve for x
x = 129,399,052,865.08/416,252.13 - Step 6: Final answer
x = 310,867.01
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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.