Finding the Fourth Proportional to 413,772.12, 571,005.90 and 234,924.12
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Solution
The fourth proportional to 413,772.12, 571,005.90 and 234,924.12 is: 324,195.50
Step by Step Solution
- Step 1: Write the proportion equation
413,772.12 : 571,005.90 = 234,924.12 : x - Step 2: Convert to fraction form
413,772.12/571,005.90 = 234,924.12/x - Step 3: Cross multiply
413,772.12x = 571,005.90 × 234,924.12 - Step 4: Simplify right side
413,772.12x = 134,143,058,572.31 - Step 5: Solve for x
x = 134,143,058,572.31/413,772.12 - Step 6: Final answer
x = 324,195.50
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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.