Finding the Fourth Proportional to 357,165.35, 492,906.06 and 196,018.99
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Solution
The fourth proportional to 357,165.35, 492,906.06 and 196,018.99 is: 270,516.01
Step by Step Solution
- Step 1: Write the proportion equation
357,165.35 : 492,906.06 = 196,018.99 : x - Step 2: Convert to fraction form
357,165.35/492,906.06 = 196,018.99/x - Step 3: Cross multiply
357,165.35x = 492,906.06 × 196,018.99 - Step 4: Simplify right side
357,165.35x = 96,618,946,813.81 - Step 5: Solve for x
x = 96,618,946,813.81/357,165.35 - Step 6: Final answer
x = 270,516.01
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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.