Finding the Fourth Proportional to 313,240.84, 432,272.69 and 170,000.98
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Solution
The fourth proportional to 313,240.84, 432,272.69 and 170,000.98 is: 234,601.53
Step by Step Solution
- Step 1: Write the proportion equation
313,240.84 : 432,272.69 = 170,000.98 : x - Step 2: Convert to fraction form
313,240.84/432,272.69 = 170,000.98/x - Step 3: Cross multiply
313,240.84x = 432,272.69 × 170,000.98 - Step 4: Simplify right side
313,240.84x = 73,486,780,927.24 - Step 5: Solve for x
x = 73,486,780,927.24/313,240.84 - Step 6: Final answer
x = 234,601.53
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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.