Finding the Fourth Proportional to 318,021.11, 476,932.44 and 93,325.49
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Solution
The fourth proportional to 318,021.11, 476,932.44 and 93,325.49 is: 139,959.12
Step by Step Solution
- Step 1: Write the proportion equation
318,021.11 : 476,932.44 = 93,325.49 : x - Step 2: Convert to fraction form
318,021.11/476,932.44 = 93,325.49/x - Step 3: Cross multiply
318,021.11x = 476,932.44 × 93,325.49 - Step 4: Simplify right side
318,021.11x = 44,509,953,659.90 - Step 5: Solve for x
x = 44,509,953,659.90/318,021.11 - Step 6: Final answer
x = 139,959.12
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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.