Finding the Fourth Proportional to 565,609.99, 780,710.06 and 324,053.41
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Solution
The fourth proportional to 565,609.99, 780,710.06 and 324,053.41 is: 447,290.11
Step by Step Solution
- Step 1: Write the proportion equation
565,609.99 : 780,710.06 = 324,053.41 : x - Step 2: Convert to fraction form
565,609.99/780,710.06 = 324,053.41/x - Step 3: Cross multiply
565,609.99x = 780,710.06 × 324,053.41 - Step 4: Simplify right side
565,609.99x = 252,991,757,164.31 - Step 5: Solve for x
x = 252,991,757,164.31/565,609.99 - Step 6: Final answer
x = 447,290.11
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1.5x scale
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.