Finding the Fourth Proportional to 304,525.13, 420,234.14 and 168,565.01
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Solution
The fourth proportional to 304,525.13, 420,234.14 and 168,565.01 is: 232,613.88
Step by Step Solution
- Step 1: Write the proportion equation
304,525.13 : 420,234.14 = 168,565.01 : x - Step 2: Convert to fraction form
304,525.13/420,234.14 = 168,565.01/x - Step 3: Cross multiply
304,525.13x = 420,234.14 × 168,565.01 - Step 4: Simplify right side
304,525.13x = 70,836,770,331.68 - Step 5: Solve for x
x = 70,836,770,331.68/304,525.13 - Step 6: Final answer
x = 232,613.88
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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.