Finding the Fourth Proportional to 570,452.71, 856,520.13 and 318,226
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Solution
The fourth proportional to 570,452.71, 856,520.13 and 318,226 is: 477,808.19
Step by Step Solution
- Step 1: Write the proportion equation
570,452.71 : 856,520.13 = 318,226 : x - Step 2: Convert to fraction form
570,452.71/856,520.13 = 318,226/x - Step 3: Cross multiply
570,452.71x = 856,520.13 × 318,226 - Step 4: Simplify right side
570,452.71x = 272,566,974,889.38 - Step 5: Solve for x
x = 272,566,974,889.38/570,452.71 - Step 6: Final answer
x = 477,808.19
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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.