Finding the Fourth Proportional to 430,217.10, 593,675.18 and 239,226.38
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Solution
The fourth proportional to 430,217.10, 593,675.18 and 239,226.38 is: 330,118.83
Step by Step Solution
- Step 1: Write the proportion equation
430,217.10 : 593,675.18 = 239,226.38 : x - Step 2: Convert to fraction form
430,217.10/593,675.18 = 239,226.38/x - Step 3: Cross multiply
430,217.10x = 593,675.18 × 239,226.38 - Step 4: Simplify right side
430,217.10x = 142,022,764,207.25 - Step 5: Solve for x
x = 142,022,764,207.25/430,217.10 - Step 6: Final answer
x = 330,118.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.