Finding the Fourth Proportional to 668,731.24, 922,846.26 and 366,918.76
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Solution
The fourth proportional to 668,731.24, 922,846.26 and 366,918.76 is: 506,346.32
Step by Step Solution
- Step 1: Write the proportion equation
668,731.24 : 922,846.26 = 366,918.76 : x - Step 2: Convert to fraction form
668,731.24/922,846.26 = 366,918.76/x - Step 3: Cross multiply
668,731.24x = 922,846.26 × 366,918.76 - Step 4: Simplify right side
668,731.24x = 338,609,605,389.84 - Step 5: Solve for x
x = 338,609,605,389.84/668,731.24 - Step 6: Final answer
x = 506,346.32
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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.