Finding the Fourth Proportional to 405,294.06, 559,334.76 and 224,002.08
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Solution
The fourth proportional to 405,294.06, 559,334.76 and 224,002.08 is: 309,138.88
Step by Step Solution
- Step 1: Write the proportion equation
405,294.06 : 559,334.76 = 224,002.08 : x - Step 2: Convert to fraction form
405,294.06/559,334.76 = 224,002.08/x - Step 3: Cross multiply
405,294.06x = 559,334.76 × 224,002.08 - Step 4: Simplify right side
405,294.06x = 125,292,150,913.80 - Step 5: Solve for x
x = 125,292,150,913.80/405,294.06 - Step 6: Final answer
x = 309,138.88
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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.