Finding the Fourth Proportional to 285,484.56, 428,289.48 and 117,006
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Solution
The fourth proportional to 285,484.56, 428,289.48 and 117,006 is: 175,534.67
Step by Step Solution
- Step 1: Write the proportion equation
285,484.56 : 428,289.48 = 117,006 : x - Step 2: Convert to fraction form
285,484.56/428,289.48 = 117,006/x - Step 3: Cross multiply
285,484.56x = 428,289.48 × 117,006 - Step 4: Simplify right side
285,484.56x = 50,112,438,896.88 - Step 5: Solve for x
x = 50,112,438,896.88/285,484.56 - Step 6: Final answer
x = 175,534.67
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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.