Finding the Fourth Proportional to 325,214.08, 487,540.80 and 125,674.48
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Solution
The fourth proportional to 325,214.08, 487,540.80 and 125,674.48 is: 188,403.39
Step by Step Solution
- Step 1: Write the proportion equation
325,214.08 : 487,540.80 = 125,674.48 : x - Step 2: Convert to fraction form
325,214.08/487,540.80 = 125,674.48/x - Step 3: Cross multiply
325,214.08x = 487,540.80 × 125,674.48 - Step 4: Simplify right side
325,214.08x = 61,271,436,518.78 - Step 5: Solve for x
x = 61,271,436,518.78/325,214.08 - Step 6: Final answer
x = 188,403.39
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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.