Finding the Fourth Proportional to 470,897.70, 706,346.55 and 463,121.70
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Solution
The fourth proportional to 470,897.70, 706,346.55 and 463,121.70 is: 694,682.55
Step by Step Solution
- Step 1: Write the proportion equation
470,897.70 : 706,346.55 = 463,121.70 : x - Step 2: Convert to fraction form
470,897.70/706,346.55 = 463,121.70/x - Step 3: Cross multiply
470,897.70x = 706,346.55 × 463,121.70 - Step 4: Simplify right side
470,897.70x = 327,124,415,025.14 - Step 5: Solve for x
x = 327,124,415,025.14/470,897.70 - Step 6: Final answer
x = 694,682.55
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1.5x scale
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.