Finding the Fourth Proportional to 232,478.10, 348,717.15 and 202,953.60
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Solution
The fourth proportional to 232,478.10, 348,717.15 and 202,953.60 is: 304,430.40
Step by Step Solution
- Step 1: Write the proportion equation
232,478.10 : 348,717.15 = 202,953.60 : x - Step 2: Convert to fraction form
232,478.10/348,717.15 = 202,953.60/x - Step 3: Cross multiply
232,478.10x = 348,717.15 × 202,953.60 - Step 4: Simplify right side
232,478.10x = 70,773,400,974.24 - Step 5: Solve for x
x = 70,773,400,974.24/232,478.10 - Step 6: Final answer
x = 304,430.40
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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.