Finding the Fourth Proportional to 328,186.42, 452,981.53 and 213,750.23
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Solution
The fourth proportional to 328,186.42, 452,981.53 and 213,750.23 is: 295,030.20
Step by Step Solution
- Step 1: Write the proportion equation
328,186.42 : 452,981.53 = 213,750.23 : x - Step 2: Convert to fraction form
328,186.42/452,981.53 = 213,750.23/x - Step 3: Cross multiply
328,186.42x = 452,981.53 × 213,750.23 - Step 4: Simplify right side
328,186.42x = 96,824,905,122.65 - Step 5: Solve for x
x = 96,824,905,122.65/328,186.42 - Step 6: Final answer
x = 295,030.20
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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.