Finding the Fourth Proportional to 341,947.58, 512,462.84 and 266,137.68
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Solution
The fourth proportional to 341,947.58, 512,462.84 and 266,137.68 is: 398,849.65
Step by Step Solution
- Step 1: Write the proportion equation
341,947.58 : 512,462.84 = 266,137.68 : x - Step 2: Convert to fraction form
341,947.58/512,462.84 = 266,137.68/x - Step 3: Cross multiply
341,947.58x = 512,462.84 × 266,137.68 - Step 4: Simplify right side
341,947.58x = 136,385,671,323.81 - Step 5: Solve for x
x = 136,385,671,323.81/341,947.58 - Step 6: Final answer
x = 398,849.65
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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.