Finding the Fourth Proportional to 806,962.24, 1,210,638 and 245,962.72
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Solution
The fourth proportional to 806,962.24, 1,210,638 and 245,962.72 is: 369,003.41
Step by Step Solution
- Step 1: Write the proportion equation
806,962.24 : 1,210,638 = 245,962.72 : x - Step 2: Convert to fraction form
806,962.24/1,210,638 = 245,962.72/x - Step 3: Cross multiply
806,962.24x = 1,210,638 × 245,962.72 - Step 4: Simplify right side
806,962.24x = 297,771,815,415.36 - Step 5: Solve for x
x = 297,771,815,415.36/806,962.24 - Step 6: Final answer
x = 369,003.41
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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.