Finding the Fourth Proportional to 316,335.60, 436,552.92 and 173,101.68
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Solution
The fourth proportional to 316,335.60, 436,552.92 and 173,101.68 is: 238,885.68
Step by Step Solution
- Step 1: Write the proportion equation
316,335.60 : 436,552.92 = 173,101.68 : x - Step 2: Convert to fraction form
316,335.60/436,552.92 = 173,101.68/x - Step 3: Cross multiply
316,335.60x = 436,552.92 × 173,101.68 - Step 4: Simplify right side
316,335.60x = 75,568,043,860.91 - Step 5: Solve for x
x = 75,568,043,860.91/316,335.60 - Step 6: Final answer
x = 238,885.68
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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.