Finding the Fourth Proportional to 923,188.24, 1,384,860.12 and 292,088.08
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Solution
The fourth proportional to 923,188.24, 1,384,860.12 and 292,088.08 is: 438,156.72
Step by Step Solution
- Step 1: Write the proportion equation
923,188.24 : 1,384,860.12 = 292,088.08 : x - Step 2: Convert to fraction form
923,188.24/1,384,860.12 = 292,088.08/x - Step 3: Cross multiply
923,188.24x = 1,384,860.12 × 292,088.08 - Step 4: Simplify right side
923,188.24x = 404,501,133,519.37 - Step 5: Solve for x
x = 404,501,133,519.37/923,188.24 - Step 6: Final answer
x = 438,156.72
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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.