Finding the Fourth Proportional to 292,392.84, 403,599.42 and 171,489.99
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Solution
The fourth proportional to 292,392.84, 403,599.42 and 171,489.99 is: 236,713.25
Step by Step Solution
- Step 1: Write the proportion equation
292,392.84 : 403,599.42 = 171,489.99 : x - Step 2: Convert to fraction form
292,392.84/403,599.42 = 171,489.99/x - Step 3: Cross multiply
292,392.84x = 403,599.42 × 171,489.99 - Step 4: Simplify right side
292,392.84x = 69,213,260,499.81 - Step 5: Solve for x
x = 69,213,260,499.81/292,392.84 - Step 6: Final answer
x = 236,713.25
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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.