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Finding the Fourth Proportional to 605,327.87, 835,390.40 and 333,395.71

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Solution

The fourth proportional to 605,327.87, 835,390.40 and 333,395.71 is: 460,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,327.87 : 835,390.40 = 333,395.71 : x
  2. Step 2: Convert to fraction form
    605,327.87/835,390.40 = 333,395.71/x
  3. Step 3: Cross multiply
    605,327.87x = 835,390.40 × 333,395.71
  4. Step 4: Simplify right side
    605,327.87x = 278,515,573,868.21
  5. Step 5: Solve for x
    x = 278,515,573,868.21/605,327.87
  6. Step 6: Final answer
    x = 460,106.97

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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.