Finding the Fourth Proportional to 484,442.21, 668,520.36 and 303,254.06
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Solution
The fourth proportional to 484,442.21, 668,520.36 and 303,254.06 is: 418,484.40
Step by Step Solution
- Step 1: Write the proportion equation
484,442.21 : 668,520.36 = 303,254.06 : x - Step 2: Convert to fraction form
484,442.21/668,520.36 = 303,254.06/x - Step 3: Cross multiply
484,442.21x = 668,520.36 × 303,254.06 - Step 4: Simplify right side
484,442.21x = 202,731,510,020.06 - Step 5: Solve for x
x = 202,731,510,020.06/484,442.21 - Step 6: Final answer
x = 418,484.40
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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.