Finding the Fourth Proportional to 422,392.05, 633,590.28 and 106,849.26
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Solution
The fourth proportional to 422,392.05, 633,590.28 and 106,849.26 is: 160,274.45
Step by Step Solution
- Step 1: Write the proportion equation
422,392.05 : 633,590.28 = 106,849.26 : x - Step 2: Convert to fraction form
422,392.05/633,590.28 = 106,849.26/x - Step 3: Cross multiply
422,392.05x = 633,590.28 × 106,849.26 - Step 4: Simplify right side
422,392.05x = 67,698,652,561.19 - Step 5: Solve for x
x = 67,698,652,561.19/422,392.05 - Step 6: Final answer
x = 160,274.45
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1.5x scale
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.