Finding the Fourth Proportional to 316,464.57, 474,526.62 and 126,829.80
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Solution
The fourth proportional to 316,464.57, 474,526.62 and 126,829.80 is: 190,176.47
Step by Step Solution
- Step 1: Write the proportion equation
316,464.57 : 474,526.62 = 126,829.80 : x - Step 2: Convert to fraction form
316,464.57/474,526.62 = 126,829.80/x - Step 3: Cross multiply
316,464.57x = 474,526.62 × 126,829.80 - Step 4: Simplify right side
316,464.57x = 60,184,116,309.28 - Step 5: Solve for x
x = 60,184,116,309.28/316,464.57 - Step 6: Final answer
x = 190,176.47
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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.