Finding the Fourth Proportional to 353,720.70, 530,247.51 and 176,059.80
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Solution
The fourth proportional to 353,720.70, 530,247.51 and 176,059.80 is: 263,923.68
Step by Step Solution
- Step 1: Write the proportion equation
353,720.70 : 530,247.51 = 176,059.80 : x - Step 2: Convert to fraction form
353,720.70/530,247.51 = 176,059.80/x - Step 3: Cross multiply
353,720.70x = 530,247.51 × 176,059.80 - Step 4: Simplify right side
353,720.70x = 93,355,270,561.10 - Step 5: Solve for x
x = 93,355,270,561.10/353,720.70 - Step 6: Final answer
x = 263,923.68
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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.