Finding the Fourth Proportional to 317,353.23, 476,031.47 and 106,992.99
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Solution
The fourth proportional to 317,353.23, 476,031.47 and 106,992.99 is: 160,490.03
Step by Step Solution
- Step 1: Write the proportion equation
317,353.23 : 476,031.47 = 106,992.99 : x - Step 2: Convert to fraction form
317,353.23/476,031.47 = 106,992.99/x - Step 3: Cross multiply
317,353.23x = 476,031.47 × 106,992.99 - Step 4: Simplify right side
317,353.23x = 50,932,029,774.43 - Step 5: Solve for x
x = 50,932,029,774.43/317,353.23 - Step 6: Final answer
x = 160,490.03
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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.