Finding the Fourth Proportional to 497,766.08, 686,931.36 and 271,424
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Solution
The fourth proportional to 497,766.08, 686,931.36 and 271,424 is: 374,572.85
Step by Step Solution
- Step 1: Write the proportion equation
497,766.08 : 686,931.36 = 271,424 : x - Step 2: Convert to fraction form
497,766.08/686,931.36 = 271,424/x - Step 3: Cross multiply
497,766.08x = 686,931.36 × 271,424 - Step 4: Simplify right side
497,766.08x = 186,449,657,456.64 - Step 5: Solve for x
x = 186,449,657,456.64/497,766.08 - Step 6: Final answer
x = 374,572.85
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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.