Finding the Fourth Proportional to 769,268.08, 1,061,373.78 and 442,564
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Solution
The fourth proportional to 769,268.08, 1,061,373.78 and 442,564 is: 610,613.96
Step by Step Solution
- Step 1: Write the proportion equation
769,268.08 : 1,061,373.78 = 442,564 : x - Step 2: Convert to fraction form
769,268.08/1,061,373.78 = 442,564/x - Step 3: Cross multiply
769,268.08x = 1,061,373.78 × 442,564 - Step 4: Simplify right side
769,268.08x = 469,725,825,571.92 - Step 5: Solve for x
x = 469,725,825,571.92/769,268.08 - Step 6: Final answer
x = 610,613.96
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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.