Finding the Fourth Proportional to 496,995.84, 745,419.02 and 159,991.92
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Solution
The fourth proportional to 496,995.84, 745,419.02 and 159,991.92 is: 239,963.82
Step by Step Solution
- Step 1: Write the proportion equation
496,995.84 : 745,419.02 = 159,991.92 : x - Step 2: Convert to fraction form
496,995.84/745,419.02 = 159,991.92/x - Step 3: Cross multiply
496,995.84x = 745,419.02 × 159,991.92 - Step 4: Simplify right side
496,995.84x = 119,261,019,414.36 - Step 5: Solve for x
x = 119,261,019,414.36/496,995.84 - Step 6: Final answer
x = 239,963.82
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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.