Finding the Fourth Proportional to 348,531.36, 480,953.34 and 193,474.68
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Solution
The fourth proportional to 348,531.36, 480,953.34 and 193,474.68 is: 266,983.99
Step by Step Solution
- Step 1: Write the proportion equation
348,531.36 : 480,953.34 = 193,474.68 : x - Step 2: Convert to fraction form
348,531.36/480,953.34 = 193,474.68/x - Step 3: Cross multiply
348,531.36x = 480,953.34 × 193,474.68 - Step 4: Simplify right side
348,531.36x = 93,052,293,551.43 - Step 5: Solve for x
x = 93,052,293,551.43/348,531.36 - Step 6: Final answer
x = 266,983.99
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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.