Finding the Fourth Proportional to 534,574.74, 737,713.08 and 319,714.77
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Solution
The fourth proportional to 534,574.74, 737,713.08 and 319,714.77 is: 441,206.35
Step by Step Solution
- Step 1: Write the proportion equation
534,574.74 : 737,713.08 = 319,714.77 : x - Step 2: Convert to fraction form
534,574.74/737,713.08 = 319,714.77/x - Step 3: Cross multiply
534,574.74x = 737,713.08 × 319,714.77 - Step 4: Simplify right side
534,574.74x = 235,857,767,698.19 - Step 5: Solve for x
x = 235,857,767,698.19/534,574.74 - Step 6: Final answer
x = 441,206.35
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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.