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Finding the Fourth Proportional to 453,935.70, 680,903.55 and 404,169.30

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Solution

The fourth proportional to 453,935.70, 680,903.55 and 404,169.30 is: 606,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,935.70 : 680,903.55 = 404,169.30 : x
  2. Step 2: Convert to fraction form
    453,935.70/680,903.55 = 404,169.30/x
  3. Step 3: Cross multiply
    453,935.70x = 680,903.55 × 404,169.30
  4. Step 4: Simplify right side
    453,935.70x = 275,200,311,171.02
  5. Step 5: Solve for x
    x = 275,200,311,171.02/453,935.70
  6. Step 6: Final answer
    x = 606,253.95

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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.