Finding the Fourth Proportional to 416,432.68, 624,765.66 and 167,289.64
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Solution
The fourth proportional to 416,432.68, 624,765.66 and 167,289.64 is: 250,981.32
Step by Step Solution
- Step 1: Write the proportion equation
416,432.68 : 624,765.66 = 167,289.64 : x - Step 2: Convert to fraction form
416,432.68/624,765.66 = 167,289.64/x - Step 3: Cross multiply
416,432.68x = 624,765.66 × 167,289.64 - Step 4: Simplify right side
416,432.68x = 104,516,822,345.76 - Step 5: Solve for x
x = 104,516,822,345.76/416,432.68 - Step 6: Final answer
x = 250,981.32
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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.