Finding the Fourth Proportional to 372,439.08, 513,967.68 and 202,674.96
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Solution
The fourth proportional to 372,439.08, 513,967.68 and 202,674.96 is: 279,692.40
Step by Step Solution
- Step 1: Write the proportion equation
372,439.08 : 513,967.68 = 202,674.96 : x - Step 2: Convert to fraction form
372,439.08/513,967.68 = 202,674.96/x - Step 3: Cross multiply
372,439.08x = 513,967.68 × 202,674.96 - Step 4: Simplify right side
372,439.08x = 104,168,378,985.29 - Step 5: Solve for x
x = 104,168,378,985.29/372,439.08 - Step 6: Final answer
x = 279,692.40
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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.