Finding the Fourth Proportional to 444,214.12, 666,616.20 and 207,575.08
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Solution
The fourth proportional to 444,214.12, 666,616.20 and 207,575.08 is: 311,500.48
Step by Step Solution
- Step 1: Write the proportion equation
444,214.12 : 666,616.20 = 207,575.08 : x - Step 2: Convert to fraction form
444,214.12/666,616.20 = 207,575.08/x - Step 3: Cross multiply
444,214.12x = 666,616.20 × 207,575.08 - Step 4: Simplify right side
444,214.12x = 138,372,911,044.30 - Step 5: Solve for x
x = 138,372,911,044.30/444,214.12 - Step 6: Final answer
x = 311,500.48
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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.