Finding the Fourth Proportional to 304,995.70, 457,493.55 and 226,263.70
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Solution
The fourth proportional to 304,995.70, 457,493.55 and 226,263.70 is: 339,395.55
Step by Step Solution
- Step 1: Write the proportion equation
304,995.70 : 457,493.55 = 226,263.70 : x - Step 2: Convert to fraction form
304,995.70/457,493.55 = 226,263.70/x - Step 3: Cross multiply
304,995.70x = 457,493.55 × 226,263.70 - Step 4: Simplify right side
304,995.70x = 103,514,183,349.14 - Step 5: Solve for x
x = 103,514,183,349.14/304,995.70 - Step 6: Final answer
x = 339,395.55
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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.