Finding the Fourth Proportional to 374,226.21, 516,431.30 and 204,461.55
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Solution
The fourth proportional to 374,226.21, 516,431.30 and 204,461.55 is: 282,156.46
Step by Step Solution
- Step 1: Write the proportion equation
374,226.21 : 516,431.30 = 204,461.55 : x - Step 2: Convert to fraction form
374,226.21/516,431.30 = 204,461.55/x - Step 3: Cross multiply
374,226.21x = 516,431.30 × 204,461.55 - Step 4: Simplify right side
374,226.21x = 105,590,343,044.21 - Step 5: Solve for x
x = 105,590,343,044.21/374,226.21 - Step 6: Final answer
x = 282,156.46
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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.