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Finding the Fourth Proportional to 499,605.44, 689,470.08 and 273,266.24

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Solution

The fourth proportional to 499,605.44, 689,470.08 and 273,266.24 is: 377,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,605.44 : 689,470.08 = 273,266.24 : x
  2. Step 2: Convert to fraction form
    499,605.44/689,470.08 = 273,266.24/x
  3. Step 3: Cross multiply
    499,605.44x = 689,470.08 × 273,266.24
  4. Step 4: Simplify right side
    499,605.44x = 188,408,896,354.10
  5. Step 5: Solve for x
    x = 188,408,896,354.10/499,605.44
  6. Step 6: Final answer
    x = 377,115.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.