Finding the Fourth Proportional to 313,836.48, 433,091.58 and 170,596.08
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Solution
The fourth proportional to 313,836.48, 433,091.58 and 170,596.08 is: 235,421.09
Step by Step Solution
- Step 1: Write the proportion equation
313,836.48 : 433,091.58 = 170,596.08 : x - Step 2: Convert to fraction form
313,836.48/433,091.58 = 170,596.08/x - Step 3: Cross multiply
313,836.48x = 433,091.58 × 170,596.08 - Step 4: Simplify right side
313,836.48x = 73,883,725,829.01 - Step 5: Solve for x
x = 73,883,725,829.01/313,836.48 - Step 6: Final answer
x = 235,421.09
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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.