Finding the Fourth Proportional to 316,796.13, 437,175.01 and 171,599.17
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Solution
The fourth proportional to 316,796.13, 437,175.01 and 171,599.17 is: 236,804.88
Step by Step Solution
- Step 1: Write the proportion equation
316,796.13 : 437,175.01 = 171,599.17 : x - Step 2: Convert to fraction form
316,796.13/437,175.01 = 171,599.17/x - Step 3: Cross multiply
316,796.13x = 437,175.01 × 171,599.17 - Step 4: Simplify right side
316,796.13x = 75,018,868,860.74 - Step 5: Solve for x
x = 75,018,868,860.74/316,796.13 - Step 6: Final answer
x = 236,804.88
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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.