Finding the Fourth Proportional to 606,157.49, 907,859.93 and 470,129.60
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Solution
The fourth proportional to 606,157.49, 907,859.93 and 470,129.60 is: 704,126.95
Step by Step Solution
- Step 1: Write the proportion equation
606,157.49 : 907,859.93 = 470,129.60 : x - Step 2: Convert to fraction form
606,157.49/907,859.93 = 470,129.60/x - Step 3: Cross multiply
606,157.49x = 907,859.93 × 470,129.60 - Step 4: Simplify right side
606,157.49x = 426,811,818,856.98 - Step 5: Solve for x
x = 426,811,818,856.98/606,157.49 - Step 6: Final answer
x = 704,126.95
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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.