Finding the Fourth Proportional to 755,260.94, 1,132,621.58 and 249,728.60
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Solution
The fourth proportional to 755,260.94, 1,132,621.58 and 249,728.60 is: 374,503.68
Step by Step Solution
- Step 1: Write the proportion equation
755,260.94 : 1,132,621.58 = 249,728.60 : x - Step 2: Convert to fraction form
755,260.94/1,132,621.58 = 249,728.60/x - Step 3: Cross multiply
755,260.94x = 1,132,621.58 × 249,728.60 - Step 4: Simplify right side
755,260.94x = 282,848,004,959.06 - Step 5: Solve for x
x = 282,848,004,959.06/755,260.94 - Step 6: Final answer
x = 374,503.68
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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.