Finding the Fourth Proportional to 368,107.20, 552,160.80 and 368,107.20
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Solution
The fourth proportional to 368,107.20, 552,160.80 and 368,107.20 is: 552,160.80
Step by Step Solution
- Step 1: Write the proportion equation
368,107.20 : 552,160.80 = 368,107.20 : x - Step 2: Convert to fraction form
368,107.20/552,160.80 = 368,107.20/x - Step 3: Cross multiply
368,107.20x = 552,160.80 × 368,107.20 - Step 4: Simplify right side
368,107.20x = 203,254,366,037.76 - Step 5: Solve for x
x = 203,254,366,037.76/368,107.20 - Step 6: Final answer
x = 552,160.80
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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.