Finding the Fourth Proportional to 332,378.47, 458,130.80 and 235,458.14
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Solution
The fourth proportional to 332,378.47, 458,130.80 and 235,458.14 is: 324,541.56
Step by Step Solution
- Step 1: Write the proportion equation
332,378.47 : 458,130.80 = 235,458.14 : x - Step 2: Convert to fraction form
332,378.47/458,130.80 = 235,458.14/x - Step 3: Cross multiply
332,378.47x = 458,130.80 × 235,458.14 - Step 4: Simplify right side
332,378.47x = 107,870,626,630.90 - Step 5: Solve for x
x = 107,870,626,630.90/332,378.47 - Step 6: Final answer
x = 324,541.56
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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.