Finding the Fourth Proportional to 698,901.12, 1,048,345.92 and 200,265.60
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Solution
The fourth proportional to 698,901.12, 1,048,345.92 and 200,265.60 is: 300,396.75
Step by Step Solution
- Step 1: Write the proportion equation
698,901.12 : 1,048,345.92 = 200,265.60 : x - Step 2: Convert to fraction form
698,901.12/1,048,345.92 = 200,265.60/x - Step 3: Cross multiply
698,901.12x = 1,048,345.92 × 200,265.60 - Step 4: Simplify right side
698,901.12x = 209,947,624,676.35 - Step 5: Solve for x
x = 209,947,624,676.35/698,901.12 - Step 6: Final answer
x = 300,396.75
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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.