Finding the Fourth Proportional to 341,690.96, 471,493.08 and 188,720.06
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Solution
The fourth proportional to 341,690.96, 471,493.08 and 188,720.06 is: 260,411.34
Step by Step Solution
- Step 1: Write the proportion equation
341,690.96 : 471,493.08 = 188,720.06 : x - Step 2: Convert to fraction form
341,690.96/471,493.08 = 188,720.06/x - Step 3: Cross multiply
341,690.96x = 471,493.08 × 188,720.06 - Step 4: Simplify right side
341,690.96x = 88,980,202,347.18 - Step 5: Solve for x
x = 88,980,202,347.18/341,690.96 - Step 6: Final answer
x = 260,411.34
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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.