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Finding the Fourth Proportional to 453,749.70, 680,624.55 and 264,015.30

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Solution

The fourth proportional to 453,749.70, 680,624.55 and 264,015.30 is: 396,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,749.70 : 680,624.55 = 264,015.30 : x
  2. Step 2: Convert to fraction form
    453,749.70/680,624.55 = 264,015.30/x
  3. Step 3: Cross multiply
    453,749.70x = 680,624.55 × 264,015.30
  4. Step 4: Simplify right side
    453,749.70x = 179,695,294,755.62
  5. Step 5: Solve for x
    x = 179,695,294,755.62/453,749.70
  6. Step 6: Final answer
    x = 396,022.95

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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.