Finding the Fourth Proportional to 373,192.07, 514,985.63 and 212,024.75
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Solution
The fourth proportional to 373,192.07, 514,985.63 and 212,024.75 is: 292,583.12
Step by Step Solution
- Step 1: Write the proportion equation
373,192.07 : 514,985.63 = 212,024.75 : x - Step 2: Convert to fraction form
373,192.07/514,985.63 = 212,024.75/x - Step 3: Cross multiply
373,192.07x = 514,985.63 × 212,024.75 - Step 4: Simplify right side
373,192.07x = 109,189,698,394.22 - Step 5: Solve for x
x = 109,189,698,394.22/373,192.07 - Step 6: Final answer
x = 292,583.12
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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.