Finding the Fourth Proportional to 896,005.60, 1,344,008.40 and 305,029.60
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Solution
The fourth proportional to 896,005.60, 1,344,008.40 and 305,029.60 is: 457,544.40
Step by Step Solution
- Step 1: Write the proportion equation
896,005.60 : 1,344,008.40 = 305,029.60 : x - Step 2: Convert to fraction form
896,005.60/1,344,008.40 = 305,029.60/x - Step 3: Cross multiply
896,005.60x = 1,344,008.40 × 305,029.60 - Step 4: Simplify right side
896,005.60x = 409,962,344,648.64 - Step 5: Solve for x
x = 409,962,344,648.64/896,005.60 - Step 6: Final answer
x = 457,544.40
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Similar ratio
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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.