Finding the Fourth Proportional to 532,840.85, 735,330.95 and 291,138.41
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Solution
The fourth proportional to 532,840.85, 735,330.95 and 291,138.41 is: 401,776.79
Step by Step Solution
- Step 1: Write the proportion equation
532,840.85 : 735,330.95 = 291,138.41 : x - Step 2: Convert to fraction form
532,840.85/735,330.95 = 291,138.41/x - Step 3: Cross multiply
532,840.85x = 735,330.95 × 291,138.41 - Step 4: Simplify right side
532,840.85x = 214,083,085,081.19 - Step 5: Solve for x
x = 214,083,085,081.19/532,840.85 - Step 6: Final answer
x = 401,776.79
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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.