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Finding the Fourth Proportional to 605,357.81, 835,399.43 and 333,426.68

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Solution

The fourth proportional to 605,357.81, 835,399.43 and 333,426.68 is: 460,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,357.81 : 835,399.43 = 333,426.68 : x
  2. Step 2: Convert to fraction form
    605,357.81/835,399.43 = 333,426.68/x
  3. Step 3: Cross multiply
    605,357.81x = 835,399.43 × 333,426.68
  4. Step 4: Simplify right side
    605,357.81x = 278,544,458,840.16
  5. Step 5: Solve for x
    x = 278,544,458,840.16/605,357.81
  6. Step 6: Final answer
    x = 460,131.94

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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.