Finding the Fourth Proportional to 2,353,635.68, 3,530,453.52 and 647,775.68
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Solution
The fourth proportional to 2,353,635.68, 3,530,453.52 and 647,775.68 is: 971,663.51
Step by Step Solution
- Step 1: Write the proportion equation
2,353,635.68 : 3,530,453.52 = 647,775.68 : x - Step 2: Convert to fraction form
2,353,635.68/3,530,453.52 = 647,775.68/x - Step 3: Cross multiply
2,353,635.68x = 3,530,453.52 × 647,775.68 - Step 4: Simplify right side
2,353,635.68x = 2,286,941,911,974.13 - Step 5: Solve for x
x = 2,286,941,911,974.13/2,353,635.68 - Step 6: Final answer
x = 971,663.51
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Double scale
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Similar ratio
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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.