Finding the Fourth Proportional to 765,716.24, 1,148,705.58 and 233,138.00
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Solution
The fourth proportional to 765,716.24, 1,148,705.58 and 233,138.00 is: 349,746.95
Step by Step Solution
- Step 1: Write the proportion equation
765,716.24 : 1,148,705.58 = 233,138.00 : x - Step 2: Convert to fraction form
765,716.24/1,148,705.58 = 233,138.00/x - Step 3: Cross multiply
765,716.24x = 1,148,705.58 × 233,138.00 - Step 4: Simplify right side
765,716.24x = 267,806,916,827.50 - Step 5: Solve for x
x = 267,806,916,827.50/765,716.24 - Step 6: Final answer
x = 349,746.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.