Finding the Fourth Proportional to 496,237.12, 684,963.24 and 292,274.26
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Solution
The fourth proportional to 496,237.12, 684,963.24 and 292,274.26 is: 403,430.37
Step by Step Solution
- Step 1: Write the proportion equation
496,237.12 : 684,963.24 = 292,274.26 : x - Step 2: Convert to fraction form
496,237.12/684,963.24 = 292,274.26/x - Step 3: Cross multiply
496,237.12x = 684,963.24 × 292,274.26 - Step 4: Simplify right side
496,237.12x = 200,197,124,098.20 - Step 5: Solve for x
x = 200,197,124,098.20/496,237.12 - Step 6: Final answer
x = 403,430.37
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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.