Finding the Fourth Proportional to 566,835.18, 782,267.97 and 312,186.30
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Solution
The fourth proportional to 566,835.18, 782,267.97 and 312,186.30 is: 430,836.60
Step by Step Solution
- Step 1: Write the proportion equation
566,835.18 : 782,267.97 = 312,186.30 : x - Step 2: Convert to fraction form
566,835.18/782,267.97 = 312,186.30/x - Step 3: Cross multiply
566,835.18x = 782,267.97 × 312,186.30 - Step 4: Simplify right side
566,835.18x = 244,213,343,162.81 - Step 5: Solve for x
x = 244,213,343,162.81/566,835.18 - Step 6: Final answer
x = 430,836.60
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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.