Finding the Fourth Proportional to 521,748.20, 732,547 and 521,748.20
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Solution
The fourth proportional to 521,748.20, 732,547 and 521,748.20 is: 732,547
Step by Step Solution
- Step 1: Write the proportion equation
521,748.20 : 732,547 = 521,748.20 : x - Step 2: Convert to fraction form
521,748.20/732,547 = 521,748.20/x - Step 3: Cross multiply
521,748.20x = 732,547 × 521,748.20 - Step 4: Simplify right side
521,748.20x = 382,205,078,665.40 - Step 5: Solve for x
x = 382,205,078,665.40/521,748.20 - Step 6: Final answer
x = 732,547
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.