Finding the Fourth Proportional to 310,422.26, 465,633.40 and 88,806.26
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Solution
The fourth proportional to 310,422.26, 465,633.40 and 88,806.26 is: 133,209.39
Step by Step Solution
- Step 1: Write the proportion equation
310,422.26 : 465,633.40 = 88,806.26 : x - Step 2: Convert to fraction form
310,422.26/465,633.40 = 88,806.26/x - Step 3: Cross multiply
310,422.26x = 465,633.40 × 88,806.26 - Step 4: Simplify right side
310,422.26x = 41,351,160,785.08 - Step 5: Solve for x
x = 41,351,160,785.08/310,422.26 - Step 6: Final answer
x = 133,209.39
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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.