Finding the Fourth Proportional to 340,935.80, 511,403.70 and 193,479.80
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Solution
The fourth proportional to 340,935.80, 511,403.70 and 193,479.80 is: 290,219.70
Step by Step Solution
- Step 1: Write the proportion equation
340,935.80 : 511,403.70 = 193,479.80 : x - Step 2: Convert to fraction form
340,935.80/511,403.70 = 193,479.80/x - Step 3: Cross multiply
340,935.80x = 511,403.70 × 193,479.80 - Step 4: Simplify right side
340,935.80x = 98,946,285,595.26 - Step 5: Solve for x
x = 98,946,285,595.26/340,935.80 - Step 6: Final answer
x = 290,219.70
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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.