Finding the Fourth Proportional to 840,346.56, 1,260,519.20 and 249,370.56
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Solution
The fourth proportional to 840,346.56, 1,260,519.20 and 249,370.56 is: 374,055.65
Step by Step Solution
- Step 1: Write the proportion equation
840,346.56 : 1,260,519.20 = 249,370.56 : x - Step 2: Convert to fraction form
840,346.56/1,260,519.20 = 249,370.56/x - Step 3: Cross multiply
840,346.56x = 1,260,519.20 × 249,370.56 - Step 4: Simplify right side
840,346.56x = 314,336,378,794.75 - Step 5: Solve for x
x = 314,336,378,794.75/840,346.56 - Step 6: Final answer
x = 374,055.65
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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.