Finding the Fourth Proportional to 295,471.30, 442,918.95 and 168,981.70
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Solution
The fourth proportional to 295,471.30, 442,918.95 and 168,981.70 is: 253,307.84
Step by Step Solution
- Step 1: Write the proportion equation
295,471.30 : 442,918.95 = 168,981.70 : x - Step 2: Convert to fraction form
295,471.30/442,918.95 = 168,981.70/x - Step 3: Cross multiply
295,471.30x = 442,918.95 × 168,981.70 - Step 4: Simplify right side
295,471.30x = 74,845,197,133.22 - Step 5: Solve for x
x = 74,845,197,133.22/295,471.30 - Step 6: Final answer
x = 253,307.84
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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.