Finding the Fourth Proportional to 408,476.01, 563,657.41 and 236,359.65
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Solution
The fourth proportional to 408,476.01, 563,657.41 and 236,359.65 is: 326,153.46
Step by Step Solution
- Step 1: Write the proportion equation
408,476.01 : 563,657.41 = 236,359.65 : x - Step 2: Convert to fraction form
408,476.01/563,657.41 = 236,359.65/x - Step 3: Cross multiply
408,476.01x = 563,657.41 × 236,359.65 - Step 4: Simplify right side
408,476.01x = 133,225,865,136.05 - Step 5: Solve for x
x = 133,225,865,136.05/408,476.01 - Step 6: Final answer
x = 326,153.46
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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.