Finding the Fourth Proportional to 341,885.16, 471,800.34 and 188,919.09
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Solution
The fourth proportional to 341,885.16, 471,800.34 and 188,919.09 is: 260,707.69
Step by Step Solution
- Step 1: Write the proportion equation
341,885.16 : 471,800.34 = 188,919.09 : x - Step 2: Convert to fraction form
341,885.16/471,800.34 = 188,919.09/x - Step 3: Cross multiply
341,885.16x = 471,800.34 × 188,919.09 - Step 4: Simplify right side
341,885.16x = 89,132,090,894.49 - Step 5: Solve for x
x = 89,132,090,894.49/341,885.16 - Step 6: Final answer
x = 260,707.69
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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.