Finding the Fourth Proportional to 357,166.35, 492,907.44 and 196,019.99
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Solution
The fourth proportional to 357,166.35, 492,907.44 and 196,019.99 is: 270,517.40
Step by Step Solution
- Step 1: Write the proportion equation
357,166.35 : 492,907.44 = 196,019.99 : x - Step 2: Convert to fraction form
357,166.35/492,907.44 = 196,019.99/x - Step 3: Cross multiply
357,166.35x = 492,907.44 × 196,019.99 - Step 4: Simplify right side
357,166.35x = 96,619,711,459.73 - Step 5: Solve for x
x = 96,619,711,459.73/357,166.35 - Step 6: Final answer
x = 270,517.40
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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.