Finding the Fourth Proportional to 541,974.38, 746,720.30 and 357,886.08
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Solution
The fourth proportional to 541,974.38, 746,720.30 and 357,886.08 is: 493,087.52
Step by Step Solution
- Step 1: Write the proportion equation
541,974.38 : 746,720.30 = 357,886.08 : x - Step 2: Convert to fraction form
541,974.38/746,720.30 = 357,886.08/x - Step 3: Cross multiply
541,974.38x = 746,720.30 × 357,886.08 - Step 4: Simplify right side
541,974.38x = 267,240,801,918.14 - Step 5: Solve for x
x = 267,240,801,918.14/541,974.38 - Step 6: Final answer
x = 493,087.52
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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.