Finding the Fourth Proportional to 413,716.99, 620,563.13 and 114,215.84
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Solution
The fourth proportional to 413,716.99, 620,563.13 and 114,215.84 is: 171,320.35
Step by Step Solution
- Step 1: Write the proportion equation
413,716.99 : 620,563.13 = 114,215.84 : x - Step 2: Convert to fraction form
413,716.99/620,563.13 = 114,215.84/x - Step 3: Cross multiply
413,716.99x = 620,563.13 × 114,215.84 - Step 4: Simplify right side
413,716.99x = 70,878,140,574.62 - Step 5: Solve for x
x = 70,878,140,574.62/413,716.99 - Step 6: Final answer
x = 171,320.35
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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.