Finding the Fourth Proportional to 568,331.10, 784,303.43 and 313,682.49
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Solution
The fourth proportional to 568,331.10, 784,303.43 and 313,682.49 is: 432,885.43
Step by Step Solution
- Step 1: Write the proportion equation
568,331.10 : 784,303.43 = 313,682.49 : x - Step 2: Convert to fraction form
568,331.10/784,303.43 = 313,682.49/x - Step 3: Cross multiply
568,331.10x = 784,303.43 × 313,682.49 - Step 4: Simplify right side
568,331.10x = 246,022,251,269.53 - Step 5: Solve for x
x = 246,022,251,269.53/568,331.10 - Step 6: Final answer
x = 432,885.43
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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.