Finding the Fourth Proportional to 461,225.80, 691,838.70 and 367,913.80
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Solution
The fourth proportional to 461,225.80, 691,838.70 and 367,913.80 is: 551,870.70
Step by Step Solution
- Step 1: Write the proportion equation
461,225.80 : 691,838.70 = 367,913.80 : x - Step 2: Convert to fraction form
461,225.80/691,838.70 = 367,913.80/x - Step 3: Cross multiply
461,225.80x = 691,838.70 × 367,913.80 - Step 4: Simplify right side
461,225.80x = 254,537,005,104.06 - Step 5: Solve for x
x = 254,537,005,104.06/461,225.80 - Step 6: Final answer
x = 551,870.70
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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.