Finding the Fourth Proportional to 370,011.05, 554,676.37 and 133,295.84
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Solution
The fourth proportional to 370,011.05, 554,676.37 and 133,295.84 is: 199,821.20
Step by Step Solution
- Step 1: Write the proportion equation
370,011.05 : 554,676.37 = 133,295.84 : x - Step 2: Convert to fraction form
370,011.05/554,676.37 = 133,295.84/x - Step 3: Cross multiply
370,011.05x = 554,676.37 × 133,295.84 - Step 4: Simplify right side
370,011.05x = 73,936,052,667.30 - Step 5: Solve for x
x = 73,936,052,667.30/370,011.05 - Step 6: Final answer
x = 199,821.20
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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.