Finding the Fourth Proportional to 1,451,177.60, 2,176,784.53 and 386,213.09
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Solution
The fourth proportional to 1,451,177.60, 2,176,784.53 and 386,213.09 is: 579,324.45
Step by Step Solution
- Step 1: Write the proportion equation
1,451,177.60 : 2,176,784.53 = 386,213.09 : x - Step 2: Convert to fraction form
1,451,177.60/2,176,784.53 = 386,213.09/x - Step 3: Cross multiply
1,451,177.60x = 2,176,784.53 × 386,213.09 - Step 4: Simplify right side
1,451,177.60x = 840,702,667,746.04 - Step 5: Solve for x
x = 840,702,667,746.04/1,451,177.60 - Step 6: Final answer
x = 579,324.45
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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.