Finding the Fourth Proportional to 562,109.99, 775,786.82 and 317,145.04
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Solution
The fourth proportional to 562,109.99, 775,786.82 and 317,145.04 is: 437,702.49
Step by Step Solution
- Step 1: Write the proportion equation
562,109.99 : 775,786.82 = 317,145.04 : x - Step 2: Convert to fraction form
562,109.99/775,786.82 = 317,145.04/x - Step 3: Cross multiply
562,109.99x = 775,786.82 × 317,145.04 - Step 4: Simplify right side
562,109.99x = 246,036,938,535.18 - Step 5: Solve for x
x = 246,036,938,535.18/562,109.99 - Step 6: Final answer
x = 437,702.49
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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.