Finding the Fourth Proportional to 295,348.20, 442,366.20 and 242,860.20
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Solution
The fourth proportional to 295,348.20, 442,366.20 and 242,860.20 is: 363,750.80
Step by Step Solution
- Step 1: Write the proportion equation
295,348.20 : 442,366.20 = 242,860.20 : x - Step 2: Convert to fraction form
295,348.20/442,366.20 = 242,860.20/x - Step 3: Cross multiply
295,348.20x = 442,366.20 × 242,860.20 - Step 4: Simplify right side
295,348.20x = 107,433,143,805.24 - Step 5: Solve for x
x = 107,433,143,805.24/295,348.20 - Step 6: Final answer
x = 363,750.80
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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.