Finding the Fourth Proportional to 316,264.88, 436,444.52 and 173,023.68
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Solution
The fourth proportional to 316,264.88, 436,444.52 and 173,023.68 is: 238,772.12
Step by Step Solution
- Step 1: Write the proportion equation
316,264.88 : 436,444.52 = 173,023.68 : x - Step 2: Convert to fraction form
316,264.88/436,444.52 = 173,023.68/x - Step 3: Cross multiply
316,264.88x = 436,444.52 × 173,023.68 - Step 4: Simplify right side
316,264.88x = 75,515,236,966.23 - Step 5: Solve for x
x = 75,515,236,966.23/316,264.88 - Step 6: Final answer
x = 238,772.12
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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.