Finding the Fourth Proportional to 452,405.34, 624,396.18 and 261,529.38
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Solution
The fourth proportional to 452,405.34, 624,396.18 and 261,529.38 is: 360,954.95
Step by Step Solution
- Step 1: Write the proportion equation
452,405.34 : 624,396.18 = 261,529.38 : x - Step 2: Convert to fraction form
452,405.34/624,396.18 = 261,529.38/x - Step 3: Cross multiply
452,405.34x = 624,396.18 × 261,529.38 - Step 4: Simplify right side
452,405.34x = 163,297,945,829.77 - Step 5: Solve for x
x = 163,297,945,829.77/452,405.34 - Step 6: Final answer
x = 360,954.95
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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.