Finding the Fourth Proportional to 430,179.62, 593,644.19 and 239,191.34
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Solution
The fourth proportional to 430,179.62, 593,644.19 and 239,191.34 is: 330,081.99
Step by Step Solution
- Step 1: Write the proportion equation
430,179.62 : 593,644.19 = 239,191.34 : x - Step 2: Convert to fraction form
430,179.62/593,644.19 = 239,191.34/x - Step 3: Cross multiply
430,179.62x = 593,644.19 × 239,191.34 - Step 4: Simplify right side
430,179.62x = 141,994,545,125.14 - Step 5: Solve for x
x = 141,994,545,125.14/430,179.62 - Step 6: Final answer
x = 330,081.99
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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.