Finding the Fourth Proportional to 296,886.70, 415,116.50 and 296,886.70
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Solution
The fourth proportional to 296,886.70, 415,116.50 and 296,886.70 is: 415,116.50
Step by Step Solution
- Step 1: Write the proportion equation
296,886.70 : 415,116.50 = 296,886.70 : x - Step 2: Convert to fraction form
296,886.70/415,116.50 = 296,886.70/x - Step 3: Cross multiply
296,886.70x = 415,116.50 × 296,886.70 - Step 4: Simplify right side
296,886.70x = 123,242,567,800.55 - Step 5: Solve for x
x = 123,242,567,800.55/296,886.70 - Step 6: Final answer
x = 415,116.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.