Finding the Fourth Proportional to 422,120.68, 633,364.06 and 232,349.16
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Solution
The fourth proportional to 422,120.68, 633,364.06 and 232,349.16 is: 348,624.49
Step by Step Solution
- Step 1: Write the proportion equation
422,120.68 : 633,364.06 = 232,349.16 : x - Step 2: Convert to fraction form
422,120.68/633,364.06 = 232,349.16/x - Step 3: Cross multiply
422,120.68x = 633,364.06 × 232,349.16 - Step 4: Simplify right side
422,120.68x = 147,161,607,315.19 - Step 5: Solve for x
x = 147,161,607,315.19/422,120.68 - Step 6: Final answer
x = 348,624.49
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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.