Finding the Fourth Proportional to 245,871.70, 368,224.35 and 245,871.70
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Solution
The fourth proportional to 245,871.70, 368,224.35 and 245,871.70 is: 368,224.35
Step by Step Solution
- Step 1: Write the proportion equation
245,871.70 : 368,224.35 = 245,871.70 : x - Step 2: Convert to fraction form
245,871.70/368,224.35 = 245,871.70/x - Step 3: Cross multiply
245,871.70x = 368,224.35 × 245,871.70 - Step 4: Simplify right side
245,871.70x = 90,535,946,915.90 - Step 5: Solve for x
x = 90,535,946,915.90/245,871.70 - Step 6: Final answer
x = 368,224.35
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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.