Finding the Fourth Proportional to 354,854.10, 532,281.15 and 325,823.70
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Solution
The fourth proportional to 354,854.10, 532,281.15 and 325,823.70 is: 488,735.55
Step by Step Solution
- Step 1: Write the proportion equation
354,854.10 : 532,281.15 = 325,823.70 : x - Step 2: Convert to fraction form
354,854.10/532,281.15 = 325,823.70/x - Step 3: Cross multiply
354,854.10x = 532,281.15 × 325,823.70 - Step 4: Simplify right side
354,854.10x = 173,429,813,733.26 - Step 5: Solve for x
x = 173,429,813,733.26/354,854.10 - Step 6: Final answer
x = 488,735.55
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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.