Finding the Fourth Proportional to 424,910.08, 637,380.36 and 144,390.88
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Solution
The fourth proportional to 424,910.08, 637,380.36 and 144,390.88 is: 216,591.50
Step by Step Solution
- Step 1: Write the proportion equation
424,910.08 : 637,380.36 = 144,390.88 : x - Step 2: Convert to fraction form
424,910.08/637,380.36 = 144,390.88/x - Step 3: Cross multiply
424,910.08x = 637,380.36 × 144,390.88 - Step 4: Simplify right side
424,910.08x = 92,031,911,075.12 - Step 5: Solve for x
x = 92,031,911,075.12/424,910.08 - Step 6: Final answer
x = 216,591.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.