Finding the Fourth Proportional to 470,855.70, 706,283.55 and 470,855.70
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Solution
The fourth proportional to 470,855.70, 706,283.55 and 470,855.70 is: 706,283.55
Step by Step Solution
- Step 1: Write the proportion equation
470,855.70 : 706,283.55 = 470,855.70 : x - Step 2: Convert to fraction form
470,855.70/706,283.55 = 470,855.70/x - Step 3: Cross multiply
470,855.70x = 706,283.55 × 470,855.70 - Step 4: Simplify right side
470,855.70x = 332,557,635,333.74 - Step 5: Solve for x
x = 332,557,635,333.74/470,855.70 - Step 6: Final answer
x = 706,283.55
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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.