Finding the Fourth Proportional to 292,277.70, 409,603.50 and 292,277.70
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Solution
The fourth proportional to 292,277.70, 409,603.50 and 292,277.70 is: 409,603.50
Step by Step Solution
- Step 1: Write the proportion equation
292,277.70 : 409,603.50 = 292,277.70 : x - Step 2: Convert to fraction form
292,277.70/409,603.50 = 292,277.70/x - Step 3: Cross multiply
292,277.70x = 409,603.50 × 292,277.70 - Step 4: Simplify right side
292,277.70x = 119,717,968,891.95 - Step 5: Solve for x
x = 119,717,968,891.95/292,277.70 - Step 6: Final answer
x = 409,603.50
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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.