Finding the Fourth Proportional to 528,576.17, 729,424.74 and 299,129.19
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Solution
The fourth proportional to 528,576.17, 729,424.74 and 299,129.19 is: 412,792.41
Step by Step Solution
- Step 1: Write the proportion equation
528,576.17 : 729,424.74 = 299,129.19 : x - Step 2: Convert to fraction form
528,576.17/729,424.74 = 299,129.19/x - Step 3: Cross multiply
528,576.17x = 729,424.74 × 299,129.19 - Step 4: Simplify right side
528,576.17x = 218,192,231,642.16 - Step 5: Solve for x
x = 218,192,231,642.16/528,576.17 - Step 6: Final answer
x = 412,792.41
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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.