Finding the Fourth Proportional to 347,280.96, 521,000 and 110,637.12
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Solution
The fourth proportional to 347,280.96, 521,000 and 110,637.12 is: 165,980.71
Step by Step Solution
- Step 1: Write the proportion equation
347,280.96 : 521,000 = 110,637.12 : x - Step 2: Convert to fraction form
347,280.96/521,000 = 110,637.12/x - Step 3: Cross multiply
347,280.96x = 521,000 × 110,637.12 - Step 4: Simplify right side
347,280.96x = 57,641,939,520 - Step 5: Solve for x
x = 57,641,939,520/347,280.96 - Step 6: Final answer
x = 165,980.71
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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.