Finding the Fourth Proportional to 369,902.70, 516,682.80 and 369,902.70
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Solution
The fourth proportional to 369,902.70, 516,682.80 and 369,902.70 is: 516,682.80
Step by Step Solution
- Step 1: Write the proportion equation
369,902.70 : 516,682.80 = 369,902.70 : x - Step 2: Convert to fraction form
369,902.70/516,682.80 = 369,902.70/x - Step 3: Cross multiply
369,902.70x = 516,682.80 × 369,902.70 - Step 4: Simplify right side
369,902.70x = 191,122,362,763.56 - Step 5: Solve for x
x = 191,122,362,763.56/369,902.70 - Step 6: Final answer
x = 516,682.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.