Finding the Fourth Proportional to 565,907.70, 781,063.58 and 324,352.17
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Solution
The fourth proportional to 565,907.70, 781,063.58 and 324,352.17 is: 447,669.59
Step by Step Solution
- Step 1: Write the proportion equation
565,907.70 : 781,063.58 = 324,352.17 : x - Step 2: Convert to fraction form
565,907.70/781,063.58 = 324,352.17/x - Step 3: Cross multiply
565,907.70x = 781,063.58 × 324,352.17 - Step 4: Simplify right side
565,907.70x = 253,339,665,459.21 - Step 5: Solve for x
x = 253,339,665,459.21/565,907.70 - Step 6: Final answer
x = 447,669.59
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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.