Finding the Fourth Proportional to 670,348.44, 924,819.12 and 383,715.36
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Solution
The fourth proportional to 670,348.44, 924,819.12 and 383,715.36 is: 529,377.38
Step by Step Solution
- Step 1: Write the proportion equation
670,348.44 : 924,819.12 = 383,715.36 : x - Step 2: Convert to fraction form
670,348.44/924,819.12 = 383,715.36/x - Step 3: Cross multiply
670,348.44x = 924,819.12 × 383,715.36 - Step 4: Simplify right side
670,348.44x = 354,867,301,565.68 - Step 5: Solve for x
x = 354,867,301,565.68/670,348.44 - Step 6: Final answer
x = 529,377.38
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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.