Finding the Fourth Proportional to 422,597.11, 633,918.80 and 107,056.75
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Solution
The fourth proportional to 422,597.11, 633,918.80 and 107,056.75 is: 160,590.99
Step by Step Solution
- Step 1: Write the proportion equation
422,597.11 : 633,918.80 = 107,056.75 : x - Step 2: Convert to fraction form
422,597.11/633,918.80 = 107,056.75/x - Step 3: Cross multiply
422,597.11x = 633,918.80 × 107,056.75 - Step 4: Simplify right side
422,597.11x = 67,865,286,491.90 - Step 5: Solve for x
x = 67,865,286,491.90/422,597.11 - Step 6: Final answer
x = 160,590.99
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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.