Finding the Fourth Proportional to 568,780.28, 784,911.98 and 314,126
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Solution
The fourth proportional to 568,780.28, 784,911.98 and 314,126 is: 433,491.22
Step by Step Solution
- Step 1: Write the proportion equation
568,780.28 : 784,911.98 = 314,126 : x - Step 2: Convert to fraction form
568,780.28/784,911.98 = 314,126/x - Step 3: Cross multiply
568,780.28x = 784,911.98 × 314,126 - Step 4: Simplify right side
568,780.28x = 246,561,259,058.85 - Step 5: Solve for x
x = 246,561,259,058.85/568,780.28 - Step 6: Final answer
x = 433,491.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.