Finding the Fourth Proportional to 368,704.56, 553,352.12 and 169,118.96
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Solution
The fourth proportional to 368,704.56, 553,352.12 and 169,118.96 is: 253,813.88
Step by Step Solution
- Step 1: Write the proportion equation
368,704.56 : 553,352.12 = 169,118.96 : x - Step 2: Convert to fraction form
368,704.56/553,352.12 = 169,118.96/x - Step 3: Cross multiply
368,704.56x = 553,352.12 × 169,118.96 - Step 4: Simplify right side
368,704.56x = 93,582,335,048.20 - Step 5: Solve for x
x = 93,582,335,048.20/368,704.56 - Step 6: Final answer
x = 253,813.88
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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.