Finding the Fourth Proportional to 515,676.06, 711,621.94 and 286,219.98
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Solution
The fourth proportional to 515,676.06, 711,621.94 and 286,219.98 is: 394,977.45
Step by Step Solution
- Step 1: Write the proportion equation
515,676.06 : 711,621.94 = 286,219.98 : x - Step 2: Convert to fraction form
515,676.06/711,621.94 = 286,219.98/x - Step 3: Cross multiply
515,676.06x = 711,621.94 × 286,219.98 - Step 4: Simplify right side
515,676.06x = 203,680,417,434.36 - Step 5: Solve for x
x = 203,680,417,434.36/515,676.06 - Step 6: Final answer
x = 394,977.45
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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.