Finding the Fourth Proportional to 611,031.36, 916,425.12 and 206,184
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Solution
The fourth proportional to 611,031.36, 916,425.12 and 206,184 is: 309,234.86
Step by Step Solution
- Step 1: Write the proportion equation
611,031.36 : 916,425.12 = 206,184 : x - Step 2: Convert to fraction form
611,031.36/916,425.12 = 206,184/x - Step 3: Cross multiply
611,031.36x = 916,425.12 × 206,184 - Step 4: Simplify right side
611,031.36x = 188,952,196,942.08 - Step 5: Solve for x
x = 188,952,196,942.08/611,031.36 - Step 6: Final answer
x = 309,234.86
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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.