Finding the Fourth Proportional to 415,863.99, 623,685.29 and 116,325.99
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Solution
The fourth proportional to 415,863.99, 623,685.29 and 116,325.99 is: 174,458.02
Step by Step Solution
- Step 1: Write the proportion equation
415,863.99 : 623,685.29 = 116,325.99 : x - Step 2: Convert to fraction form
415,863.99/623,685.29 = 116,325.99/x - Step 3: Cross multiply
415,863.99x = 623,685.29 × 116,325.99 - Step 4: Simplify right side
415,863.99x = 72,550,808,226.06 - Step 5: Solve for x
x = 72,550,808,226.06/415,863.99 - Step 6: Final answer
x = 174,458.02
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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.