Finding the Fourth Proportional to 348,124.08, 480,409.56 and 197,220.72
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Solution
The fourth proportional to 348,124.08, 480,409.56 and 197,220.72 is: 272,163.65
Step by Step Solution
- Step 1: Write the proportion equation
348,124.08 : 480,409.56 = 197,220.72 : x - Step 2: Convert to fraction form
348,124.08/480,409.56 = 197,220.72/x - Step 3: Cross multiply
348,124.08x = 480,409.56 × 197,220.72 - Step 4: Simplify right side
348,124.08x = 94,746,719,318.08 - Step 5: Solve for x
x = 94,746,719,318.08/348,124.08 - Step 6: Final answer
x = 272,163.65
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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.