Finding the Fourth Proportional to 464,286.96, 640,754.82 and 260,334.63
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Solution
The fourth proportional to 464,286.96, 640,754.82 and 260,334.63 is: 359,283.55
Step by Step Solution
- Step 1: Write the proportion equation
464,286.96 : 640,754.82 = 260,334.63 : x - Step 2: Convert to fraction form
464,286.96/640,754.82 = 260,334.63/x - Step 3: Cross multiply
464,286.96x = 640,754.82 × 260,334.63 - Step 4: Simplify right side
464,286.96x = 166,810,668,985.42 - Step 5: Solve for x
x = 166,810,668,985.42/464,286.96 - Step 6: Final answer
x = 359,283.55
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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.