Finding the Fourth Proportional to 318,724.18, 477,974.84 and 94,024.96
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Solution
The fourth proportional to 318,724.18, 477,974.84 and 94,024.96 is: 141,004.57
Step by Step Solution
- Step 1: Write the proportion equation
318,724.18 : 477,974.84 = 94,024.96 : x - Step 2: Convert to fraction form
318,724.18/477,974.84 = 94,024.96/x - Step 3: Cross multiply
318,724.18x = 477,974.84 × 94,024.96 - Step 4: Simplify right side
318,724.18x = 44,941,565,212.01 - Step 5: Solve for x
x = 44,941,565,212.01/318,724.18 - Step 6: Final answer
x = 141,004.57
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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.