Finding the Fourth Proportional to 716,248.30, 988,563.08 and 410,529.62
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Solution
The fourth proportional to 716,248.30, 988,563.08 and 410,529.62 is: 566,611.37
Step by Step Solution
- Step 1: Write the proportion equation
716,248.30 : 988,563.08 = 410,529.62 : x - Step 2: Convert to fraction form
716,248.30/988,563.08 = 410,529.62/x - Step 3: Cross multiply
716,248.30x = 988,563.08 × 410,529.62 - Step 4: Simplify right side
716,248.30x = 405,834,429,076.16 - Step 5: Solve for x
x = 405,834,429,076.16/716,248.30 - Step 6: Final answer
x = 566,611.37
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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.