Finding the Fourth Proportional to 669,404, 923,784 and 367,604.48
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Solution
The fourth proportional to 669,404, 923,784 and 367,604.48 is: 507,297.74
Step by Step Solution
- Step 1: Write the proportion equation
669,404 : 923,784 = 367,604.48 : x - Step 2: Convert to fraction form
669,404/923,784 = 367,604.48/x - Step 3: Cross multiply
669,404x = 923,784 × 367,604.48 - Step 4: Simplify right side
669,404x = 339,587,136,952.32 - Step 5: Solve for x
x = 339,587,136,952.32/669,404 - Step 6: Final answer
x = 507,297.74
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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.