Finding the Fourth Proportional to 472,534.75, 652,079.73 and 268,612.49
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Solution
The fourth proportional to 472,534.75, 652,079.73 and 268,612.49 is: 370,674.88
Step by Step Solution
- Step 1: Write the proportion equation
472,534.75 : 652,079.73 = 268,612.49 : x - Step 2: Convert to fraction form
472,534.75/652,079.73 = 268,612.49/x - Step 3: Cross multiply
472,534.75x = 652,079.73 × 268,612.49 - Step 4: Simplify right side
472,534.75x = 175,156,759,953.83 - Step 5: Solve for x
x = 175,156,759,953.83/472,534.75 - Step 6: Final answer
x = 370,674.88
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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.