Finding the Fourth Proportional to 446,000.99, 615,471.21 and 242,052.30
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Solution
The fourth proportional to 446,000.99, 615,471.21 and 242,052.30 is: 334,026.67
Step by Step Solution
- Step 1: Write the proportion equation
446,000.99 : 615,471.21 = 242,052.30 : x - Step 2: Convert to fraction form
446,000.99/615,471.21 = 242,052.30/x - Step 3: Cross multiply
446,000.99x = 615,471.21 × 242,052.30 - Step 4: Simplify right side
446,000.99x = 148,976,221,964.28 - Step 5: Solve for x
x = 148,976,221,964.28/446,000.99 - Step 6: Final answer
x = 334,026.67
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Double scale
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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.