Finding the Fourth Proportional to 292,844.16, 403,911.36 and 185,431.68
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Solution
The fourth proportional to 292,844.16, 403,911.36 and 185,431.68 is: 255,760.48
Step by Step Solution
- Step 1: Write the proportion equation
292,844.16 : 403,911.36 = 185,431.68 : x - Step 2: Convert to fraction form
292,844.16/403,911.36 = 185,431.68/x - Step 3: Cross multiply
292,844.16x = 403,911.36 × 185,431.68 - Step 4: Simplify right side
292,844.16x = 74,897,962,055.88 - Step 5: Solve for x
x = 74,897,962,055.88/292,844.16 - Step 6: Final answer
x = 255,760.48
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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.