Finding the Fourth Proportional to 316,466.58, 474,529.62 and 126,831.80
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Solution
The fourth proportional to 316,466.58, 474,529.62 and 126,831.80 is: 190,179.47
Step by Step Solution
- Step 1: Write the proportion equation
316,466.58 : 474,529.62 = 126,831.80 : x - Step 2: Convert to fraction form
316,466.58/474,529.62 = 126,831.80/x - Step 3: Cross multiply
316,466.58x = 474,529.62 × 126,831.80 - Step 4: Simplify right side
316,466.58x = 60,185,445,857.92 - Step 5: Solve for x
x = 60,185,445,857.92/316,466.58 - Step 6: Final answer
x = 190,179.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.