Finding the Fourth Proportional to 319,792.84, 441,307.08 and 174,593.68
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Solution
The fourth proportional to 319,792.84, 441,307.08 and 174,593.68 is: 240,935.44
Step by Step Solution
- Step 1: Write the proportion equation
319,792.84 : 441,307.08 = 174,593.68 : x - Step 2: Convert to fraction form
319,792.84/441,307.08 = 174,593.68/x - Step 3: Cross multiply
319,792.84x = 441,307.08 × 174,593.68 - Step 4: Simplify right side
319,792.84x = 77,049,427,107.25 - Step 5: Solve for x
x = 77,049,427,107.25/319,792.84 - Step 6: Final answer
x = 240,935.44
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1.5x scale
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.