Finding the Fourth Proportional to 329,580.12, 454,838.58 and 186,352.68
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Solution
The fourth proportional to 329,580.12, 454,838.58 and 186,352.68 is: 257,176.88
Step by Step Solution
- Step 1: Write the proportion equation
329,580.12 : 454,838.58 = 186,352.68 : x - Step 2: Convert to fraction form
329,580.12/454,838.58 = 186,352.68/x - Step 3: Cross multiply
329,580.12x = 454,838.58 × 186,352.68 - Step 4: Simplify right side
329,580.12x = 84,760,388,350.39 - Step 5: Solve for x
x = 84,760,388,350.39/329,580.12 - Step 6: Final answer
x = 257,176.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.