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Finding the Fourth Proportional to 507,003.39, 699,890.79 and 335,028.65

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Solution

The fourth proportional to 507,003.39, 699,890.79 and 335,028.65 is: 462,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,003.39 : 699,890.79 = 335,028.65 : x
  2. Step 2: Convert to fraction form
    507,003.39/699,890.79 = 335,028.65/x
  3. Step 3: Cross multiply
    507,003.39x = 699,890.79 × 335,028.65
  4. Step 4: Simplify right side
    507,003.39x = 234,483,463,021.68
  5. Step 5: Solve for x
    x = 234,483,463,021.68/507,003.39
  6. Step 6: Final answer
    x = 462,488.95

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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.