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Finding the Fourth Proportional to 453,956.70, 680,935.05 and 404,967.90

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Solution

The fourth proportional to 453,956.70, 680,935.05 and 404,967.90 is: 607,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,956.70 : 680,935.05 = 404,967.90 : x
  2. Step 2: Convert to fraction form
    453,956.70/680,935.05 = 404,967.90/x
  3. Step 3: Cross multiply
    453,956.70x = 680,935.05 × 404,967.90
  4. Step 4: Simplify right side
    453,956.70x = 275,756,837,234.90
  5. Step 5: Solve for x
    x = 275,756,837,234.90/453,956.70
  6. Step 6: Final answer
    x = 607,451.85

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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.