Finding the Fourth Proportional to 430,106.36, 645,237.30 and 177,246.20
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Solution
The fourth proportional to 430,106.36, 645,237.30 and 177,246.20 is: 265,901.34
Step by Step Solution
- Step 1: Write the proportion equation
430,106.36 : 645,237.30 = 177,246.20 : x - Step 2: Convert to fraction form
430,106.36/645,237.30 = 177,246.20/x - Step 3: Cross multiply
430,106.36x = 645,237.30 × 177,246.20 - Step 4: Simplify right side
430,106.36x = 114,365,859,523.26 - Step 5: Solve for x
x = 114,365,859,523.26/430,106.36 - Step 6: Final answer
x = 265,901.34
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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.