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Finding the Fourth Proportional to 453,356.28, 680,034.88 and 169,042.49

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Solution

The fourth proportional to 453,356.28, 680,034.88 and 169,042.49 is: 253,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,356.28 : 680,034.88 = 169,042.49 : x
  2. Step 2: Convert to fraction form
    453,356.28/680,034.88 = 169,042.49/x
  3. Step 3: Cross multiply
    453,356.28x = 680,034.88 × 169,042.49
  4. Step 4: Simplify right side
    453,356.28x = 114,954,785,579.27
  5. Step 5: Solve for x
    x = 114,954,785,579.27/453,356.28
  6. Step 6: Final answer
    x = 253,563.90

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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.