Finding the Fourth Proportional to 314,403.12, 471,014.19 and 243,937.98
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Solution
The fourth proportional to 314,403.12, 471,014.19 and 243,937.98 is: 365,448.82
Step by Step Solution
- Step 1: Write the proportion equation
314,403.12 : 471,014.19 = 243,937.98 : x - Step 2: Convert to fraction form
314,403.12/471,014.19 = 243,937.98/x - Step 3: Cross multiply
314,403.12x = 471,014.19 × 243,937.98 - Step 4: Simplify right side
314,403.12x = 114,898,250,059.94 - Step 5: Solve for x
x = 114,898,250,059.94/314,403.12 - Step 6: Final answer
x = 365,448.82
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1.5x scale
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.