Finding the Fourth Proportional to 484,767.44, 668,971.08 and 283,597.52
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Solution
The fourth proportional to 484,767.44, 668,971.08 and 283,597.52 is: 391,359.90
Step by Step Solution
- Step 1: Write the proportion equation
484,767.44 : 668,971.08 = 283,597.52 : x - Step 2: Convert to fraction form
484,767.44/668,971.08 = 283,597.52/x - Step 3: Cross multiply
484,767.44x = 668,971.08 × 283,597.52 - Step 4: Simplify right side
484,767.44x = 189,718,539,239.72 - Step 5: Solve for x
x = 189,718,539,239.72/484,767.44 - Step 6: Final answer
x = 391,359.90
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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.