Finding the Fourth Proportional to 296,579.26, 409,263.21 and 175,731.70
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Solution
The fourth proportional to 296,579.26, 409,263.21 and 175,731.70 is: 242,500.17
Step by Step Solution
- Step 1: Write the proportion equation
296,579.26 : 409,263.21 = 175,731.70 : x - Step 2: Convert to fraction form
296,579.26/409,263.21 = 175,731.70/x - Step 3: Cross multiply
296,579.26x = 409,263.21 × 175,731.70 - Step 4: Simplify right side
296,579.26x = 71,920,519,640.76 - Step 5: Solve for x
x = 71,920,519,640.76/296,579.26 - Step 6: Final answer
x = 242,500.17
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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.